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The primary and secondary coil of the transformer have 50 and 1500 turns respectively

The Primary And Secondary Coil Of The Transformer Have 50 Physics Question

The primary and secondary coil of the transformer have 50 and 1500 turns respectively. If the magnetic flux ? linked with the primary coil is given by ? = ?¬ツタ + 4t, where ? is in webers, t is time in seconds and ?¬ツタ is the constant, the output voltage across the secondary coil is

Options

(a) 120 volts
(b) 220 volts
(c) 30 volts
(d) 90 volts

Correct Answer:

120 volts

Explanation:

Vₛ / Vₚ = Nₛ / Nₚ where
Nₛ = No. of turns across primary coil = 50
Nₚ = No. of turns across secondary coil = 1500
and Vₚ = d? / dt = d/ dt( ?¬ツタ + 4t) = 4
⇒ Vₛ = 1500 / 50 x 4 = 120 V

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Topics: Alternating Current (96)
Subject: Physics (2479)

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