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प्रश्न
In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?
पर्याय
switch L only
switch M only
Switch M and N only
either switch L or switches M and N
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उत्तर
either switch L or switches M and N
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संबंधित प्रश्न
Redraw the circuit of question 1, putting in an ammeter to measure the current through the resistors and a voltmeter to measure the potential difference across the 12 Ω resistors. What would be the readings in the ammeter and the voltmeter?
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