Question
What happens to resistance of a wire when its length is
doubled (keeping area constant)?Solution
Resistance R∝L, as per the formula R = ρ (L/A). So, if length becomes twice and cross sectional area stays same, resistance becomes 2R. This relationship is critical in designing electric circuits and wires. It also helps explain how electric heaters work.
Ayodhya city is situated at the bank of river?
Recently the Supreme Court has rejected the petition against the collegium system, this system developed in-
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