Each of three identical electric heaters is rated at 1000 W when operated across 100-Vlines. When the three are connected in series across a 120-V line, at what rate iselectric energy converted to heat energy? (Neglect variation of resistance withtemperature.) Each of three identical electric heaters is rated at 1000 W when operated across 100-Vlines. When the three are connected in series across a 120-V line, at what rate iselectric energy converted to heat energy? (Neglect variation of resistance withtemperature.)A) 0.48 kW10 kWB)

Given: Rating of electric heater (P)= 1000 W. Standard Supply voltage (V) = 100 V. Supply in circuit…

Each of three identical electric heaters is rated at 1000 W when operated across 100-V lines. When the three are connected in series across a 120-V line, at what rate is electric energy converted to heat energy? (Neglect variation of resistance with temperature.) A) 0.48 kW 10 kW B)

Each of three identical electric heaters is rated at 1000 W when operated across 100-V lines. When the three are connected in series across a 120-V line, at what rate is electric energy converted to heat energy? (Neglect variation of resistance with temperature.) A) 0.48 kW 10 kW B)

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter22: Electric Current

Section22.2: Using Electric Energy

Problem 31PP

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Question

Each of three identical electric heaters is rated at 1000 W when operated across 100-V
lines. When the three are connected in series across a 120-V line, at what rate is
electric energy converted to heat energy? (Neglect variation of resistance with
temperature.)

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