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.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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