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प्रश्न
State the S.I. units of electrical power.
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उत्तर
The S.I. unit of electrical power is Watt.
संबंधित प्रश्न
Define the unit of current.
Why are metals good conductors of electricity whereas glass is a bad conductor of electricity? Give reason?
The work done in moving a unit charge across two points in an electric circuit is a measure of:
(a) current
(b) potential difference
(c) resistance
(d) power
In the circuit shown below, the voltmeter reads 10 V.
(a) What is the combined resistance?
(b) What current flows?
(c) What is the p.d. across 2 Ω resistor?
(d) What is the p.d. across 3 Ω resistor?
How do you think the brightness of two lamps arranged in parallel compares with the brightness of two lamps arranged in series (both arrangements having one cell)?
The flow of electric charge per unit time is called potential difference.
Problems for practice:
If 5A current flows through a circuit, then convert the current in terms of microampere?
A charge of 400C flows through a conductor for 13 minutes and 20 seconds. Find the magnitude of the current flowing through the conductor.
