Home
Class 10
PHYSICS
Name a device that helps to maintain a p...

Name a device that helps to maintain a potential difference across a conductor.

Text Solution

Verified by Experts

An electric cell or battery is a device that helps to maintain a potential difference across a conductor.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTRICITY

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (TEXTBOOK ILLUSTRATIONS)|14 Videos

  • ELECTRICITY

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (MORE TO KNOW)|1 Videos

  • ELECTRICITY

    KUMAR PRAKASHAN|Exercise PRACTICAL SKILL BASED QUESTION WITH ANSWERS|20 Videos

  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    KUMAR PRAKASHAN|Exercise VALUE BASED QUESTIONS WITH ANSWERS|15 Videos

Similar Questions

Explore conceptually related problems

The device used for measuring potential difference is known as:

In the circuit shown in Fig. 4.41, calculate the current in each resistor and potential difference across each resistor.

Knowledge Check

  • In an A.C. series circuit of L-R voltage applied is 220 V, if the potential difference across two ends on inductor is 176 V then the potential difference across two ends of the resistance will be ……

    A
    44 V
    B
    110 V
    C
    132 V
    D
    220 V

  • The unit of electric potential difference is ………….. .

    A
    J
    B
    J/C
    C
    JC
    D
    C/J

    • Similar Questions

    Explore conceptually related problems

    Three capacitors each of capacitance 9 pF are connected in series. (a) What is the total capacitance of the combination? (b) What is the potential difference across each capacitor if the combination is connected to a 120 V supply?

    Three capacitors each of capacitance 9 pF are connected in series. (a) What is the total capacitance of the combination ? (b) What is the potential difference across each capacitor if the combination is connected to a 120 V supply ?

    An electric lamp, whose resistance is 20 Omega , and a conductor of 4 Omega resistance are connected to a 6 V battery (see figure). Calculate (a) the total resistance of the circuit, (b) the current through the circuit, and (c ) the potential difference across the electric lamp and conductor.

    400 J of heat is produced in 4 s in a 4.0ohm resistor. Find the potential difference across the resistor.

    Two identical p-n juctions may be connected in series with a battery in three ways.the potential difference across the two p-n junction are equal in

    Redraw the circuit of 9.39, putting in an ammeter to measure the current through the resistors and a voltmeter to measure the potential difference across the 12Omega resistor. What would be the readings in the ammeter and the voltmeter ?

    Home
    Profile