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Q1: A transformer is to be designed to
Q9: In an AC circuit operating at a
Q21: In x-ray machines,electrons are subjected to electric
Q25: The temperature coefficient of resistivity is a
Q28: An object is placed at a distance
Q37: In an AC series circuit the inductive
Q46: A 400-Ω resistor and a capacitor are
Q46: The rms current is equal to the
Q56: Very large capacitors have been considered as
Q78: The Earth is 1.49 × 10<sup>11</sup> m