In the circuit shown in Fig.a voltage V is connected across lamp L. What changes would occur at lamp and the voltage V, if the resistance R is reduced in value?

In the following circuit, a voltmeter V is connected across a lamp L . What change would occure in voltmeter reading if the resistance R is reduced in value?

In the following circuit, a voltmeter V is connected across a lamp L . What change would occure in voltmeter reading if the resistance R is reduced in value?

For the circuit shown in Fig. find the voltage drop across series resistance,

In the given circuit diagram, a voltmeter 'V' is connected across a lamp 'L'. How would (i) the brightness of the lamp and (ii) voltmeter reading 'V' be affected, if the value of resistance 'R' is decreased ? Justify your answer.

In the given circuit diagram, a voltmeter 'V' is connected across a lamp 'L'. How would (i) the brightness of the lamp and (ii) voltmeter reading 'V' be affected, if the value of resistance 'R' is decreased ? Justify your answer.

An amplifier is represented by the circuit shown in Fig. Here r_(i) is the input resistance of the amplifier and the voltage V_(i) is appearing across it. This voltage is amplified by a factor A_(V) and appears across the load as voltage V_(0) An external voltage V_(s) is applied at the input terminals of the amplifier via series resistance R_(S) . What will be the apparent gain A_(V)(=V_(0)//V_(s)) of the ampilifier in terms of A_(V), R_(S) and r_(i).

An amplifier is represented by the circuit shown in Fig. Here r_(i) is the input resistance of the amplifier and the voltage V_(i) is appearing across it. This voltage is amplified by a factor A_(V) and appears across the load as voltage V_(0) An external voltage V_(s) is applied at the input terminals of the amplifier via series resistance R_(S). What will be the apparent gain A_(V)(=V_(0)//V_(s)) of the ampilifier in terms of A_(V), R_(S) and r_(i).

In the a.c. circuit shown in fig, the main supply hs constant voltage but variable frequency. For what frequency will the voltage across the resistance R be maximum ?

In a series C-R circuit shown in figureure, the applied voltage is 10 V and the voltage across capacitor is found to 8 V . The voltage across R , and the phase difference between current and the applied voltage will respectively be .

In a series C-R circuit shown in figureure, the applied voltage is 10 V and the voltage across capacitor is found to 8 V . The voltage across R , and the phase difference between current and the applied voltage will respectively be .