Virtual Labs IIT Roorkee
Electrical Measurements Laboratory

Kelvin Double Bridge



KELVIN DOUBLE BRIDGE KIT

GALVANOMETER

UNKNOWN RESISTANCE

BOX

MCB

Multiplier (M)

S

KDB Dial


FORMULA

Unknown Resistance (R) = Multiplier * S + KDB Dial

OBSERVATION TABLE

S.No. Multiplier KDB Dial (Ω) R (Ω)