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Power dissipated by a resistor with an alternating current
1.
Scenario one: maximum power -
(a)
What is the maximum power dissipated by a resistor when the maximum current is 2.7 A and
the maximum pd is 24.0 V?
(b)
What is the maximum current in a resistor when it has a pd of 7.2 V across it, with 12 J per
second being lost while in operation.
(c)
What is the maximum pd across a resistor when it dissipates 80 W with a current of 0.2 A?
2. Scenario 2: average power -
(a)
What is the average power dissipated by a resistor with a maximum current of 4.7 A and a
pd of 11.3 V across it?
(b)
What is the maximum current through a resistor with an average power of 100 W with a pd of
31 V across it?
(c)
What is the maximum pd across a resistor with a maximum current of 2.3 A through it
dissipating 70 W of power?
