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Class 12 › Physics › Current Electricity
CBSE2017Class Class 12 · Physics1 Marks · Mcq✅ Verified
Wheatstone's bridge is used in measuring
A. High resistance
B. Low resistance
C. Both high and low resistance
D. Potential difference
✅ Answer & Solution
✅ Correct Answer: B
Wheatstone bridge is most suitable for measuring low to medium resistances. At very high resistances, galvanometer sensitivity decreases. Balance condition:
$$\frac{P}{Q} = \frac{R}{S}$$
