How many connections does a rheostat have?
Answer: Option E
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What are the parts of a rheostat?
Answer: Option D
The load resistance increases. How will the load current change?
Answer: Option A
What is the power dissipated by a 1.2 k resistor with 12 volts across it?
Answer: Option C
How many joules of energy will a 10 W lamp dissipate in one minute?
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