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- Multiple ChoicePlease save your changes before editing any questions.
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.
- Multiple ChoicePlease save your changes before editing any questions.
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.
- Multiple ChoicePlease save your changes before editing any questions.
With three 10 resistors connected in series with a 30 volt cell, the total circuit current will equal ____.
300 amps
1 amp
3 amps
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
What is the total resistance of the circuit in the figure?
15.32 ohms
24.17 ohms
70.41 ohms
120.12 ohms
- Multiple ChoicePlease save your changes before editing any questions.
How many amps of current would flow through the circuit in the figure?
2
3.24
4.14
5.21
- Multiple ChoicePlease save your changes before editing any questions.
If R3 was removed from the circuit in the figure, how many amps of current would flow through the circuit?
4
5
12
15
- Multiple ChoicePlease save your changes before editing any questions.
What is the total resistance of the circuit in the figure?
19 ohms
29 ohms
30 ohms
50 ohms
- Multiple ChoicePlease save your changes before editing any questions.
In a parallel circuit which of the following is the same value throughout the circuit?
Voltage
Current
Resistance
Power
- Multiple ChoicePlease save your changes before editing any questions.
The current going through the 45 ohm resistor is
0.05 amps
0.2 amps
0.1 amps
5 amps