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- 1. Multiple Choice
Four unequal resistors are connected in series with each other. Which one of the following statements is correct about this combination?
The equivalent resistance is equal to that of any one of the resistors.
The equivalent resistance is equal to average of the four resistances.
The equivalent resistance is less than that of the smallest resistor.
The equivalent resistance is less than that of the largest resistor.
The equivalent resistance is more than the largest resistance.
- 2. Multiple Choice
Four unequal resistors are connected in a parallel with each other. Which one of the following statements is correct about this combination?
The equivalent resistance is less than that of the smallest resistor.
The equivalent resistance is equal to the average of the four resistances.
The equivalent resistance is midway between the largest and smallest resistance.
The equivalent resistance is more than the largest resistance.
None of the other choices is correct.
- 3. Multiple Choice
When unequal resistors are connected in parallel in a circuit,
the same current always runs through each resistor.
the potential drop is always the same across each resistor.
the largest resistance has the largest current through it.
the power generated in each resistor is the same.
- 4. Multiple Choice
When unequal resistors are connected in series across an ideal battery,
the same power is dissipated in each one.
the potential difference across each is the same.
the current flowing in each is the same.
the equivalent resistance of the circuit is less than that of the smallest resistor.
the equivalent resistance of the circuit is equal to the average of all the resistances.
- 5. Multiple Choice
As more resistors are added in series to a constant voltage source, the power supplied by the source
increases.
decreases.
does not change.
increases for a time and then starts to decrease.
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