- AVolt
- BCoulamb
- CJoul
- DWatt
Explanation:
Unit of electric potential difference is volt(V).
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The resistance of 1 A ammeter is 0.018 Ω . To convert it into 10 A ammeter, the shunt resistance required will be
|
(a) 0.18 Ω |
(b) 0.0018 Ω |
(c) 0.002 Ω |
(d) 0.12 Ω |
$\text{P}=\lim_\limits{\triangle\text{s}\rightarrow0}\frac{\text{F}}{\triangle\text{s}}$ and $\text{P}_1-\text{P}_2-\text{pgz}$
In an elevator accelerating upward.A nucleus of
originally at rest emits a particle with speed v. What will be the recoil speed of the daughter nucleus
| (a) 4v/206 | (b) 4v/214 | (c) v/206 | (d) v/214 |
A torch battery consisting of two cells of 1.45 volts and an internal resistance 0.15Ω, each cell sending currents through the filament of the lamps having resistance 1.5ohms. The value of current will be
|
(a) 16.11 amp |
(b) 1.611 amp |
(c) 0.1611 amp |
(d) 2.6 amp |
The rays of different colours fail to converge at a point after going through a converging lens. This defect is called:
A metallic solid sphere is placed in a uniform electric field. The lines of force follow the path(s) shown in figure as

|
(a) 1 |
(b) 2 |
(c) 3 |
(d) 4 |
The critical angle of a medium with respect to air is 45°. The refractive index of medium is
|
(a) 1.41 |
(b) 1.2 |
(c) 1.5 |
(d) 2 |