2.length of pendulum
Since the formula for time in a simple pendulum is t=√2l/g
Therefore, time only depnds on legnth of pendulum string.
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in the circuit the galvanometer g shows zero deflection. if the batteries a and b have negligible internal resistance, the value of the resistor r will be.
8joule is the answer. hope it will you.
1. mass of bob
2. length of the pen...