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- 1. 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.
- 2. Multiple Choice
Draw a circuit with a battery connected to four resistors, R1, R2, R3, and R4, as follows. Resistors R1 and R2 are connected in parallel with each other, resistors R3 and R4 are connected in parallel with each other, and both parallel sets of resistors are connected in series with each other across the battery.
- 3. Multiple Choice
With three 10 resistors connected in series with a 30 volt cell, the total circuit current will equal ____.
300 amps
1 amp
3 amps
- 4. Multiple Choice
What happens to total current in a series circuit when the total voltage stays the same, circuit resistance decreases, current will ____________.
increase
Stay the same
Decrease
- 5. Multiple Choice
What is the total resistance of the circuit in the figure?
15.32 ohms
24.17 ohms
70.41 ohms
120.12 ohms
- 6. Multiple Choice
How many amps of current would flow through the circuit in the figure?
2
3.24
4.14
5.21
- 7. Multiple Choice
If R3 was removed from the circuit in the figure, how many amps of current would flow through the circuit?
4
5
12
15
- 8. Multiple Choice
What is the total resistance of the circuit in the figure?
19 ohms
29 ohms
30 ohms
50 ohms
- 9. Multiple Choice
In a parallel circuit which of the following is the same value throughout the circuit?
Voltage
Current
Resistance
Power
- 10. Multiple Choice
The current going through the 45 ohm resistor is
0.05 amps
0.2 amps
0.1 amps
5 amps
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