## When the voltage between collector and emitter in a transistor is kept constant, a change of 8.3 mA ….

When the voltage between collector and emitter in a transistor is kept constant, a change of 8.3 mA in the emitter current changes the collector current by 8.2 mA. The value of forward current ratio is

## A simple pendulum is hanging from the ceiling of a compartment of a train. It is observed that the s….

A simple pendulum is hanging from the ceiling of a compartment of a train. It is observed that the string is inclined towards the rear of the train. It follows that the train is

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## The length, breadth and thickness of a block are given as l = 12 cm, b = 6 cm and t = 2.45 cm, respe….

The length, breadth and thickness of a block are given as l = 12 cm, b = 6 cm and t = 2.45 cm, respectively. The volume of the block, according to the idea of significant figures, should be

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