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प्रश्न
Answer the following question.
What is the function of a galvanometer in a circuit?
उत्तर
The function of the galvanometer in the circuit is to detect or measure the small amount of current flowing in the circuit.
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संबंधित प्रश्न
A car headlight bulb working on a 12 V car battery draws a current of 0.5 A. The resistance of the light bulb is:
(a) 0.5 Ω
(b) 6 Ω
(c) 12 Ω
(d) 24 Ω
A 5 V battery is connected to two 20 Ω resistors which are joined together in series.
(a) Draw a circuit diagram to represent this. Add an arrow to indicate the direction of conventional current flow in the circuit.
(b) What is the effective resistance of the two resistors?
(c) Calculate the current that flows from the battery?
(d) What is the p.d. across each resistor?
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Define the following:
Super conductors.
Find the effective resistance in the following circuit diagrams (Fig.):
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A bulb marked 12 V, 24 W operates on a 12 V battery for 20 minutes. Calculate:
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- The energy consumed.
