EXERCISEConsider a heater rated at 120 V with power 2.8 kW.Hint(a) What is the resistance of the heater (in Q), and the current (in A) when it is under normal operation?R =ΩI =A(b) If we connect it a 240 V source, assuming that it still works, what will be the actual power consumption now (in kW)?kW

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EXERCISE Consider a heater rated at 120 V with power 2.8 kW. Hint (a) What is the resistance of the heater (in 0), and the current (in A) when it is under normal operation? R = I = A (b) If we connect it a 240 V source, assuming that it still works, what will be the actual power consumption now (in kW)? kW

EXERCISE Consider a heater rated at 120 V with power 2.8 kW. Hint (a) What is the resistance of the heater (in 0), and the current (in A) when it is under normal operation? R = I = A (b) If we connect it a 240 V source, assuming that it still works, what will be the actual power consumption now (in kW)? kW

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 30PP

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