Question

0.5 A current flows through an electric heating device connected to 230 V supply.(b)calculate the heat generated when current flows in the circuit for 5 minute​

Answer 1

Answer:

150 C

Explanation:

Quantity of charge = Energy÷ Voltage

ie;. Q=E÷V

E = I2 Rt .We have to find R. by ohm's low

R= V÷I

R= 230V÷0.5A

R=460

E=I2 RT

E=(0.5)2 × 460 × 300 = 34500

Q=E÷V

E=34500, V=230

Q=34500÷230=150

Q=150 C

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