Home
Class 12
PHYSICS
In the following circuit, a voltmeter V ...

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?

A

Increases

B

Decreases

C

Remains same

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

In the following circuit the reading of the voltmeter will be:-

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 circuit, a voltmeter reads 30 V when it is connected across 400 Omega resistance. Calculate what the same voltmeter will read when it is connected across the 300Omega resistance?

A battery of e.m.f 3 V supplies current through a circuit in which the resistance can be changed. A high resistance voltmeter is connected across the battery. When the current is 1.5 A, the voltmeter reads 2.7 V. Find the internal resistance of the battery.

In the circuit figure, the voltmeter reads 30 V. The resistance of the voltmeter is

What is the resistance of voltmeter shown in the circuit ?

In the series L-C-R circuit , the voltmeter and ammeter readings are

In the series L-C-R circuit , the voltmeter and ammeter readings are

An ammeter and a voltmeter are connected in series to an ideal battery of emf E. If the ammeter reads I and voltmeter reading V, then

In the circuit shown, reading of the voltmeter connected across 400 Omega resistance is 60 V. If it is connected across 300 Omega resistance then reading in volt will be