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प्रश्न
______ is the device used to close or open an electric circuit.
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उत्तर
Positive is the device used to close or open an electric circuit.
APPEARS IN
संबंधित प्रश्न
Draw circuit symbols for
a cell
Draw circuit symbols for
A closed switch
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Right or wrong sentence.
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Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 2 Ω in series with a combination of two resistors (4 Ω each) in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2 Ω resistor be the same as that across the parallel combination of 4 Ω resistors? Give reason.
