- ADecreases.
- BIncreases.
- CRemains same.
- DNone.
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The electric field between the two spheres of a charged spherical condenser
|
(a) Is zero |
(b) Is constant |
|
(c) Increases with distance from the centre |
(d) Decreases with distance from the centre |
A galvanometer with a resistance of 12 W gives full scale deflection when a current of 3 mA is passed. It is required to convert it into a voltmeter which can read up to 18 V. the resistance to be connected is
|
(a) 6000 W |
(b) 5988 W |
(c) 5000 W |
(d) 4988 W |
The combined capacity of the parallel combination of two capacitors is four times their combined capacity when connected in series. This means that
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(a) Their capacities are equal |
(b) Their capacities are 1 μF and 2 μF |
|
(c) Their capacities are 0.5 μF and 1 μF |
(d) Their capacities are infinite |
Continuous spectrum is not due to
|
(a) Hydrogen flame |
(b) Electric bulb |
|
(c) Kerosene oil lamp flame |
(d) Candle flame |