1.

An electric heater consists of 20m length of manganin wire of 0.23m2 crossectional area. Wattage of heater when potential difference across the heater is 200 V is (A) 106 W (B) 100 W (C) 109 W (D) 103 W

Answer»

Correct option is (C) 109 W



Discussion

No Comment Found

Related InterviewSolutions