Assertion : NOT gate is also called inverter circuit.
Reason : NOT gate inverts the input order.
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
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(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
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(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.
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Tangent galvanometer is used to measure
| (a) Steady currents | (b) Current impulses |
| (c) Magnetic moments of bar magnets | (d) Earth's magnetic field |
The relation between a and b parameters of current gains for a transistors is given by
|
(a) α = |
(b) α = |
(c) α = 
|
(d) α = 
|
When the current in a coil changes from 8 ampere to 2 ampere in 3 
second, the e.m.f. induced in the coil is 2 volt. The self inductance of the coil (in millihenry) is
|
(a) 1 |
(b) 5 |
(c) 20 |
(d) 10 |
In hydrogen atom, the electron makes 6.6 
revolutions per second around the nucleus in an orbit of radius 0.5 
. It is equivalent to a current nearly
|
(a) 1 A |
(b) 1 mA |
(c) 1 μA |
(d) 1.6 |
