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A 30 V . 90 W lamp is to be operated on ...

A 30 V . 90 W lamp is to be operated on a 120 V d.e. line for proper glow, a resistor of ..`Omega` should be connected in series with the lamp

A

10

B

20

C

30

D

40

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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
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  16. The potential difference across the terminals of a battery is 50 V whe...

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  18. For driving current of 2A for 6 min in a circuit, 1,000 J of work is t...

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