The circuit of Fig. 7.1 includes an immersion heater and a 6.0 Vbattery. 6.0 V A heater Fig. 7.1 (a) State the name and purpose of component X. name .. a **** * **** *** purpose (b) The heater is designed to work from a 3.6 V supply. It has a power rating of 4.5 W at this voltage. By considering the current in the heater, calculate the resistance of component X when there is the correct potential difference across the heater. resistance = *** (c) Some.time after the heater is switched on, the ammeter reading is seen to have decreased. Suggest why this happens.

The circuit of Fig. 7.1 includes an immersion heater and a 6.0 Vbattery. 6.0 V A heater Fig. 7.1 (a) State the name and purpose of component X. name .. a **** * ** * purpose (b) The heater is designed to work from a 3.6 V supply. It has a power rating of 4.5 W at this voltage. By considering the current in the heater, calculate the resistance of component X when there is the correct potential difference across the heater. resistance = *** (c) Some.time after the heater is switched on, the ammeter reading is seen to have decreased. Suggest why this happens.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 25P: A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of...

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