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Q1. | The coil of a moving iron instrument has a resistance of 500 Ω and an inductance of 1 H. It reads 250 V when a 250 V dc is applied. If series resistance is 2000 Ω, its reading when fed by 250 V, 50 Hz ac will be |

A. | 260 V [Wrong Answer] |

B. | 252 V [Wrong Answer] |

C. | 250 V [Wrong Answer] |

D. | 248 V [Correct Answer] |

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Explanation:-
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