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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
Which particles constitute the electric current in a metallic conductor?
An electric bulb of resistance 20 Ω and a resistance wire of 4 Ω are connected in series with a 6 V battery.
Draw the circuit diagram, and calculate:
(a) total resistance of the circuit.
(b) current through the circuit.
(c) potential difference across the electric bulb.
(d) potential difference across the resistance wire.
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A battery of e.m.f. 15 V and internal resistance 2 Ω is connected to two resistors of resistances 4 ohm and 6 ohm joined (a) in series. Find in each case the electrical energy spent per minute in 6 Ω resistor.
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If 3A current flows through a circuit, then convert the current in terms of a milliampere.
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