Determine the value of the current

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Reference no: EM131340238

1. The magnetic flux density at a distance of 1.4 m from the centre of a current carrying conductor is 0.25 mT. Determine the value of the current.

2. A moving coil meter has a coil resistance of 25Ω, and requires a current of 0.25 mA to produce full-scale deflection. Determine the values of shunts required to extend its current reading range to

(a) 10 mA, and

(b) 1 A. Sketch the relevant circuit diagram.

Reference no: EM131340238

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