- A$\frac{ Wb }{ A }$
- ✓$\frac{V-s}{A^2}$
- C$\frac{ J }{ A ^2}$
- D$\Omega- s$
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The true statement is, on increasing the distance between the plates of a parallel plate condenser
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(a) The electric intensity between the plates will decrease |
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(b) The electric intensity between the plates will increase |
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(c) The electric intensity between the plates will remain unchanged |
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(d) The P.D. between the plates will decrease |
$\text{v}_1=\text{v}_2$
$\text{v}_1=13.6\text{v}_2$
$\text{v}_1=\frac{\text{v}_2}{\text{13.6}\cdot}$
$\text{v}_1=\sqrt{13.6}\text{v}_2$
Which one of the following statements is not correct
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(a) A diode does not obey Ohm's law |
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(b) A PN junction diode symbol shows an arrow identifying the direction of current (forward) flow |
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(c) An ideal diode is an open switch |
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(d) An ideal diode is an ideal one way conductor |

A piece of wire of resistance 4 ohms is bent through 180° at its mid point and the two halves are twisted together, then the resistance is
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(a) 8 ohms |
(b) 1 ohm |
(c) 2 ohms |
(d) 5 ohms |
The value of angle of dip is zero at the magnetic equator because on it
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(a) V and H are equal |
(b) The value of V and H is zero |
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(c) The value of V is zero |
(d) The value of H is zero |
There is a current of 40 ampere in a wire of
area of cross-section. If the number of free electron per
is
, then the drift velocity will be
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(a) 1.25 × |
(b) 2.50 × |
(c) 25.0 × |
(d) 250 × |