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प्रश्न
The device used for measuring potential difference is
विकल्प
Potentiometer
Ammeter
Galvanometer
Voltmeter
उत्तर
Voltmeter
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संबंधित प्रश्न
How much energy is given to each coulomb of charge passing through a 6 V battery?
How much work is done when one coulomb charge moves against a potential difference of 1 volt?
Name a device that help to measure the potential difference across a conductor.
The device used for measuring potential difference is known as:
A current of 5 amperes flows through a wire whose ends are at a potential difference of 3 volts. Calculate the resistance of the wire.
Three resistors are connected to a 12 V battery as shown in the figure given below:
(i) What is the current through the 8 ohm resistor?
(ii) What is the potential difference across the parallel combination of 6 ohm and 12 ohm resistor?
(iii) What is the current through the 6 ohm resistor?
Name the instrument which is used to measure the potential difference.
A negative charge will move from ______ to ______ potential.
Two charged spherical conductors of radius R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the spheres `(σ_1//σ_2 )` is ______.
Find the potential difference required to flow a current of 300 mA in a wire of resistance 20 Ω.
