Resistance Of Galvanometer By Half Deflection Method Pdf Download ((TOP))

Apparatus : A Weston type of galvanometer , a voltmeter , a battery /battery eliminator , two 10,000 ohm and 200 ohm ) resistance boxes , two one way key , a rheostat , a screw gauge , a meter scale , an ammeter of given range , connecting wires and a piece of sand paper .

Resistance Of Galvanometer By Half Deflection Method Pdf Download

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ApparatusA weston type galvanometer, a voltmeter, a battery or battery eliminator, two (10,000 Ω and 200 Ω) resistance boxes, two one-way keys, a rheostat, a screw gauge, a metre scale, an ammeter of given range, connecting wires and a piece of sand paper.

A galvanometer is a device used to detect feeble electric currents in a circuit. It consists of a coil suspended between the poles of a powerful magnet. As current passes through the coil, it deflects. It can be detected from the deflection on galvanometer needle. The deflection is proportional to the current passed through it.

• To verify the laws of combination (parallel) of resistances using a metre bridge. To determine resistance of a galvanometer by half-deflection method and to find its figure of merit.

To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of desired range and to verify the same.OR

• To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same.

• To find the frequency of AC mains with a sonometer.

Activities