The primary of a transformer has 100 turns and its secondary has 200 turns. If the voltage at the primary is 100V, determine the voltage at the secondary.

Assessment: WAEC SSCE - Physics - 2018 (Objective) Subject: Physics

Question 1 Report

The primary of a transformer has 100 turns and its secondary has 200 turns. If the voltage at the primary is 100V, determine the voltage at the secondary.

Answer Details
The voltage at the secondary of a transformer can be found using the equation: V_secondary = (N_secondary / N_primary) * V_primary Where N_secondary is the number of turns on the secondary, N_primary is the number of turns on the primary, and V_primary is the voltage on the primary. Plugging in the values we have: V_secondary = (200 turns / 100 turns) * 100V = 200V So the voltage at the secondary of the transformer is 200V.

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