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Unformatted text preview: (c) An AA 1.5 V torch light battery has an internal resistance of 0.40 . What is its terminal potential difference when it supplies 50 mA current to a load? (d) A filament bulb is labeled 220 V , 80 W. (i) Calculate the resistance of the filament (ii) What would be the power dissipated from the bulb if it is connected to a 150V supply (iii) Describe how the power dissipated from a nichrome wire heater varies as Temperature is increased. 15 marks (2M) (2M) (3M) (8M)...
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This note was uploaded on 01/15/2012 for the course PHYSIC 110 taught by Professor David during the Spring '11 term at Alma College.
- Spring '11