Question

calculate the electricity in a month of 30 days (i) two tube lights of 40 Watt for 8 hrs daily (ii) two fans of 60 Watts for 10 hrs daily​

Answer 1

Explanation:

so the energy used will be 5 × 170 = 700 watt

for 30 days 700 × 30 = 2100 watt

2.1kwh

cost will be 2100 × 4 = Rs = 8400