Cutnell Johnson Physics (11th Edition)
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No ; Since the coil and the magnet have the same ... more
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For a rod of length L, moving with a velocity v, ... more
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For the rod to move with a uniform velocity, the ... more
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The motion of the sheet perpendicular to the ... more
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The expression for the magnetic flux because of a... more
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The expression for the magnetic flux because of a... more
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If the flow of charge between the ground and the ... more
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A current-carrying loop has a magnetic field ... more
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The induced current would be the same if the ... more
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The average emf induced in a loop by the change in... more
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When the coil is stretched, its area decreases. ... more
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Either downward with decreasing magnitude, or ... more
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As the current in the coil increases, a magnetic ... more
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When the circuit is closed, current starts flowing... more
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The principle by which an electric guitar works is... more
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Because of the extra work the engine needs to do ... more
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The expression for peak emf () of a generator in ... more
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For the temperature to not change, the dissipation... more
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The primary and secondary currents in the ... more
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Since power is expressed as the product of values ... more
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The work done is inversely proportional to the ... more
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The magnitude of the magnetic flux is directly ... more
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The induced emf is directly proportional to the ... more
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The change in magnetic flux is taking place for a ... more
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The induced emf is proportional to the area of the... more
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The back emf is generated when the motor is ... more
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The energy stored in an inductor is given by the ... more
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A step up transformer increases the voltage in the... more
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7752 V ; Here , let L be the length of the wire , ... more
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1.008 mV ; The diameter of the vessel is The ... more
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Motional emf of rod A is 0Motional emf of rod B is... more
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25 m/s ; Voltage of the battery is given as V = 3... more
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0.1512 W ; First find out the motional emf ... more
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250 m ; Determine the velocity required to ... more
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0.7 ; The normal to the area vector for the ... more
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; The maximum value of the flux corresponds to an... more
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0.094 Wb ; The area of the loop initially, A1 is ... more
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; The magnetic flux can be calculated as follows:... more
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8.9110-3 Wb ; Let's assume that the total length ... more
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; The surfaces1, 2, and 3 are parallel to the ... more
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0.25 V ; The loop has an initial area of the ... more
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; The time taken to remove the magnetic field can... more
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8.56 10-5 T ; Initially, the normal to the area ... more
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; Determine the induced emf in the loop using the... more
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0.63 V and 2.52 A. ; Let's suppose the length of ... more
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0.14 V. ; Determine the distance traveled AC in ... more
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0.80 T. ; Determine the relation for the charge ... more
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; Determine the value of induced current by ... more
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; The area of the loop changes as the ring is ... more
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0.46 T. ; Determine the relation for the charge ... more
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Right end. ; During the rotation of the ... more
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Vertically upward direction. ; The direction of ... more
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Left to right. ; The direction of the field due to... more
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The value of induced current is equal to zero. The... more
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0.15 m ; Determine the area of the coil using the ... more
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0.114 T ; Let, f be the frequency given as 60 Hz, ... more
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29654 ; The relation can be used to find out the ... more
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38 m ; Determine the length a of the side of the ... more
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2 V ; Determine the number of turns of the coil by... more
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15.31 V ; Determine the final angular speed of ... more
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; the energy stored is given by , where is the ... more
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(a) -6.4 V (b) 0 V(c) 3.2 V ; The inductance L is... more
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; The change of current in primary coil in time ... more
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-1.62 A ; The time interval is given as The mutual... more
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1.38 V ; According to the relation the induced ... more
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; Given the self inductance is L = 1.4 mH, length... more
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; First calculate the magnetic flux inside the ... more
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; A step-down transformer means that the voltage ... more
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; The voltage in the secondary coil can be ... more
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; The total length of the wire can be written as ... more
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40.94 V ; The circuit with the generator can be ... more
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; The value of the current in the primary coil ... more
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137.8787 ; First calculate the voltage in the ... more
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; Apply Ohm’s law in the secondary coil with ... more
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276 ; N1 = 184 and let N2 be the number of loops ... more
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; Magnetic field Induced electromotive force ... more
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756 ; The required output voltage is , whereas the... more
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; Let the current drawn by the fan in the ... more
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; The induced emf of the loop is given as the ... more
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From upward plate towards the downward plate ; ... more
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; The circular loop is of radius . The initial ... more
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; The initial current in the solenoid is , and ... more
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0.04 s ; yes period of cycle can be calculated ... more
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