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संबंधित प्रश्न
Define Electric power.
An electric bulb is connected to a 220 V power supply line. If the bulb draws a current of 0.5 A, calculate the power of the bulb.
Write the formula for electric power in terms of potential difference and current.
An electric bulb is rated ‘100 W, 250 V’. What information does this convey?
Write the SI units for:
(a) Electric current
(b) Potential difference
(c) Charge.
Give two precautious that you would take while putting off an electric switch.
Why is the electric power from the generating station transmitted at high voltage?
With reference to the diagram shown below calculate:
(i) The equivalent resistance between P and Q.
(ii) The reading of ammeter.
(iii) The electrical power between P and Q.
State other bigger units of electric power and express them in watt.
What is the commercial unit of electrical energy?
