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Physics - Current Electricity Questions and Answer >>

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1. 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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2. 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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3. What is the current (i) in the circuit as shown in figure .


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4. A cell of internal resistance 3 ohm and emf 1 volt is connected to a uniform wire of length 500 em and resistance 3 ohm. The potential gradient in the wire is


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5. If the current through 3 n resistor is 0.8 A then the potential drop through 4 Ω resistor is.


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