Virtual Labs IIT Roorkee
Electrical Measurements Laboratory

Maxwell Bridge


MCB

POWER

X

SPEAKER

CIRCUIT  DIAGRAM

20mH

COIL

R3

P

Q

FORMULA

    Find L (Unknown inductance)

    L = (L1*R3)/R1

    Where, R1=P+Q+X

    R2 = minimum we will neglect it

OBSERVATION TABLE

S.No. L1 (mH) R3 R1 L=(L1*R3)/R1 (mH)