Home
Class 12
PHYSICS
A potential difference of 22V is maintai...

A potential difference of 22V is maintained across a `1200 Omega ` rheostat PR. The voltmeter has a resistance of `600 Omega ` and PQ is one fourth of distance from P to R. What is the reading ( in V ) of the voltmeter ?

Text Solution

Verified by Experts

The correct Answer is:
4
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-H ( MULTIPLE TRUE-FALE TYPE QUESTIONS)|5 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-I(SUBJECTIVE TYPE QUESTIONS)|14 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-J(MATRIX-MATCH TYPE QUESTIONS)|2 Videos

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D)|10 Videos

Similar Questions

Explore conceptually related problems

A potential difference of 220 V is maintained across a 12000 ohm rheostat AB. The voltmeter V has a resistance of 6000 ohm and point C is at one fourth of the distance from A to B. What is the reading in the voltmeter ?

A potential difference of 220 V is applied across a rheostat of 12000Omega . The voltmeter V has a resistance of 6000Omega and distance BC is one - fourth of the distance from A to B. The error in the reading of voltmeter is approximately -

Knowledge Check

  • A voltmeter having a resistance of 1800 Omega employed to measure the potential difference across a 200 Omega resistor which is connected to the terminals of a dc power supply having an emf of 50 V and an internal resistance of 20 Omega . What is the percentage decrease in the potential difference across the 200 Omega resistor as a result of connecting the voltmeter across it?

    A
    `1%`
    B
    `5%`
    C
    `10%`
    D
    `25%`

    • Similar Questions

    Explore conceptually related problems

    A voltmeter has resistance 2000 Omega and range 5 V. For increasing its range upto 20V, a resistance of

    Figure below shows two resistors R_1 and R_2 connected to a battery having an emf of 40 V and negligible internal resistance. A voltmeter having a resistance of 300 Omega is used to measure potential difference across R_1 Find the reading of the voltmeter.

    A voltmeter of range 2 V and resistance 300 Omega cannot be converted into ammeter of range

    Eight cells marked 1 to 8, each of emf 5 V and internal resistance 0.2 Omega are connected as shown. What is the reading of ideal voltmeter ?

    Point a in the figure shown is maintained at potential of 300 V . The reading of a voltmeter of a resistance 3 × 10^4 Omega , when connected between point b and ground is

    The potential difference across the 100 Omega resistance in the following circuit is measured by a voltmeter of 900 Omega resistance. The percentage error made in reading the potential difference is

    in the circuit shown in the figure, each battery is of 5 V and has an internal resistance of 0.2 Omega What is the reading of the ideal voltmeter V

    Home
    Profile