- A2Q
- B
- C0
- D
Explanation:
Since the total charge on a capacitor is given by sum of the charges on the two parallel plates, here charge on each plate is equal and opposite, hence –Q + Q = 0. Therefore, the total charge on the capacitor is 0.
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(c) + 6.5 D |
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$\text{Zero.}$
$\text{v}_0$
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A bar magnet A of magnetic moment MA is found to oscillate at a frequency twice that of magnet B of magnetic moment MB when placed in a vibrating magneto-meter. We may say that
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(a) |
(b) |
(c) |
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A rectangular loop with a sliding connector of length l = 1.0 m is situated in a uniform magnetic field B = 2T perpendicular to the plane of loop. Resistance of connector is r = 2W. Two resistance of 6W and 3W are connected as shown in figure. The external force required to keep the connector moving with a constant velocity v = 2m/s is

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