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प्रश्न
Three electric cells of potential difference 1.5 V each have been connected as a battery. The potential differences of the battery will be ____________ V.
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उत्तर
Three electric cells of potential difference 1.5 V each have been connected as a battery. The potential differences of the battery will be 1.5 + 1.5 + 1.5 = 4.5 V.
संबंधित प्रश्न
State whether the resistivity of a wire changes with the change in the thickness of the wire.
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a charge of 1 C passes through it?
For the circuit shown in the diagram below:
What is the value of:
(i) current through 6 Ω resistor?
(ii) potential difference across 12 Ω resistor?
State the S.I. unit of electric potential.
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The following table shows current in Amperes and potential difference in Volts.
Which law will the graph prove? Explain the law.

Conceptual question.
A bird sitting on a high power electric line is still safe. How?
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Find out the following in the electric circuit given in Figure
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- Current flowing through 4 Ω resistor
- Potential difference across 4 Ω resistance
- Power dissipated in 4 Ω resistor
- Difference in ammeter readings, if any.

