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प्रश्न
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उत्तर
Power-voltage rating of an electrical appliance indicates the value of voltage above which the appliance should not be used. It serves as a precaution to the customer and also helps to calculate the maximum value of current that can be safely passed through the appliance.
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संबंधित प्रश्न
The SI unit of charge is volt.
Fill in the blank:
To increase the effective resistance in a circuit the resistors are connected in _____________.
What happens to the other bulbs in a series circuit if one bulb blows off?
A battery of e.m.f. 15 V and internal resistance 3 ohm is connected to two resistors of resistance 3 ohm and 6 ohm in series. Find:
(i) The current through the battery,
(ii) The p.d. between the terminals of the battery.
Find the effective resistance in the following circuit diagrams (Fig.):
State the S.I. units of electrical power.
Unit of electric power may also be expressed as
