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A capacitor has capacity e and reactance X. If capacitance and frequency become double, then reactance will be (a) 4X (b) X/2 (c) X/4 (d) 2X



A capacitor has capacity e and reactance X. If capacitance and frequency become double, then reactance will be         


        (a)    4X


        (b)    X/2


        (c)    X/4


        (d)    2X


Grade:10

1 Answers

Simran Bhatia
348 Points
8 years ago

(d)

Direction of propagation of electro-magnetic waves is perpendicular to Electric field and Magnetic field. Hence, direction is given by poynting vector

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