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Did you know?
One mole contains 6.022 × 10²³ particles — if a mole of seconds passed, it'd be 19 quadrillion years.
Did you know?
One mole contains 6.022 × 10²³ particles — if a mole of seconds passed, it'd be 19 quadrillion years.
A step-down transformer connected to an AC mains supply of V is made to operate at V, W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?
To solve this problem, we need to use the concept of a transformer and the power relation in an electrical circuit.Given:• The primary voltage V• The secondary voltage
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