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प्रश्न
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उत्तर
संबंधित प्रश्न
Write down the formula which relates electric charge, time and electric current
Why should the resistance of:
a voltmeter be very large?
How many electrons are flowing per second past a point in a circuit in which there is a current of 5 amp?
A wire of uniform thickness with a resistance of 27Ω is cut into three equal pieces and they are joined in parallel. Find the equivalent resistance of the parallel combination.
What is the function of a step-up transformer?
Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply of the energy supplied in kWh to the three heaters in 5 hours.
Fill in the blank :
1 mA = ............................. A.
Answer the following question.
What is the function of a galvanometer in a circuit?
When an electric current is passed, electrons move from:
