Suppose a power supply has an emf of 60 Volt and an internal resistance of 20 Ohm. The maximum power (in Watt) that can be dissipated in a series resistance connected with it is: O a.9 20 tnillm O b. 90 O c. 22.5 O d. 45 O e. 180

Suppose a power supply has an emf of 60 Volt and an internal resistance of 20 Ohm. The maximum power (in Watt) that can be dissipated in a series resistance connected with it is: O a.9 20 tnillm O b. 90 O c. 22.5 O d. 45 O e. 180

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 85PE: (a) Haw much power is dissipated in a short circuit of 240-V AC through a resistance of 0.250 ? (b)...

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Question

Suppose a power supply has
an emf of 60 Volt and an
internal resistance of 20 Ohm.
The maximum power (in
Watt) that can be dissipated
in a series resistance
connected with it is:
O a. 9° 20 tnill
O b. 90
O c. 22.5
O d. 45
O e. 180
Clear my choice

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