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Physics - Current Electricity Questions and Answer >>

1 2 3 4 5  Next >>  Page 1 of 10 pages (50 Objective Questions)

1. A uniform wire of resistance 9 n is cut into 3 equal parts. They are connected in the form of equilateral triangle ABC. A cell of emf 2V anj negligible internal resistance is connected across B and C. Potential difference across AB is


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2. In the following figure potential difference between A and B is .


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3. If in the circuit shown, the internal resistance of the battery is 1.5 Ω and VP and VQ are the potentials at P & Q respectively what is the potential difference between P and Q .


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4. In the circuit shown below, what is the value of unknown resistance R so that the total resistance between P and Q is also equal to R .


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5. The resistors of resistances 2 Ω, 4 Ω and 8 Ω are connected in parallel, then the equivalent resistance of the combination will be


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