A wattmeter is connected as shown in below figure. Wattmeter has a current coil of 0.1Ω resistance. Percentage of error in reading of wattmeter when it is connected to a load of 12 A at 250 V with unity power factor is
A
0.52%
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
0.48%
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
0.32%
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
0.64%
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B 0.48% Percentageerror=I2RCVIcosϕ