The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance

• A.  ± 1.5%
• B.  ± 1%
• C.  ± 3.5%
• D.  ± 2.5%

Answer: (C)