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प्रश्न
What do the letters p.d. stand for?
उत्तर
The acronym p.d. stands for the potential difference between two points in an electric circuit.
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संबंधित प्रश्न
Potential difference is measured in _________ by using a ___________ placed in ___________ across a component.
The p.d. across a lamp is 12 V. How many joules of electrical energy are changed into heat and light when: a current of 2 A flows through it for 10 s?
In the circuit diagram given below, the current flowing across 5 ohm resistor is 1 amp. Find the current flowing through the other two resistors.
State the S.I. unit of electric potential.
The voltage across a 3Ω resistance is 6 V. How large is the current? What is
the resistance of a filament lamp when a voltage of 3 V across it causes a
current of 0.5 A?
Write an expression for the electrical power spent in flow of current through a conductor in terms of resistance and potential difference.
Name the instrument which is used to measure the potential difference.
Twenty-seven drops of same size are charged at 220 V each. They combine to form a bigger drop. Calculate the potential of the bigger drop.
What does the positive and negative sign of potential convey?
