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प्रश्न
Label the different parts A, B, C, D, E, and F. State the functions of each part. Show in the diagram the direction of flow of current.
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उत्तर
A is a voltmeter to measure the potential difference,
B is an electric resistance to control the current in the circuit,
C is the ammeter to measure the magnitude of an electric current,
D is cell to provide electric current in circuit,
E is an electric key to on and off the circuit,
F is the rheostat to control the current in circuit.
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संबंधित प्रश्न
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The following figure shows a metal rod PQ mounted on an insulated stand. The cap of an uncharged electroscope touches one end Q of the metal rod. A negatively charged ebonite rod is brought near the other end P of the metal rod.
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(d) What charge does the gold leaf have?
(e) Will the leaf diverge or collapse? Give reason.
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