True/False
Voltage
Resistance
Current
Problems

100

In order to prevent overloading in a circuit, fuses are inserted in the circuit.
What is true?

100

Individual voltage drops sum up to the overall voltage drop.
What is series circuit?

100

The overall resistance is larger than the resistance of any individual resistor.
What is series circuit?

100

Same amount of current always flow through each bulb or resistor.
What is series circuit

100

How many 6-ohm resistors must connected in parallel to create and equivalent resistance of 1 ohms?
6

200

In a parallel circuit, current in each branch is the same.
What is false?

200

Voltage across each branch is always the same.
What is parallel circuit?

200

The overall resistance is smaller than the resistance of any of the resistors.
What is parallel circuit?

200

The overall current in the circuit increases as more lamps are put in the circuit.
What is parallel circuit?

200

What is the equivalent resistance of a 30-ohms and a 20-ohms resistor connected in parallel?
12 ohms

300

In a series circuit, the total voltage drop across a series of resistors is the sum of voltage drops across each individual resistor.
What is true?

300

Given I =1 A and R = 3-olm then V=?
3 V

300

What is the equivalent resistance of a 1-ohm and a 2 ohm resistor connected in a parallel?
2/3 ohm.

300

The current is larger in the lamp with the thick filament.
What is parallel circuit.

300

A 30-V potential difference is applied across a series combination of an 8.0-ohm resistor and a 3.0-ohms resistor. What is the current in the 8.0-ohms resistor?
2.7 A

400

When resistor are arranged in parallel, their overall resistance is less than that of the smallest resistor.
What is true?

400

1 pull-up to get free points.
What is 1 pull-up

400

What is equivalent of a 1-ohm and a 2 ohm resistor connected in a series?
3-ohms?

400

3 push-ups for free points

400

A 60-V potential difference is applied across a parallel combination of a 10-ohm and a 20-ohm resistor. What is the current in the 10-ohm resistor?
6 A

500

When connected in series, an electric circuit provides branched paths for the flow of electrons.
What is false?

500

The current through two identical light bulbs connected in series is 1 A. The total voltage drop across both bulbs is 2 V. The resistor is?
2 ohms

500

Free points
:)

500

A 1-W light bulb and a 2-W light bulb are both in parallel to a 1-V outlet. Which light bulb has more current in it?
2-W

500

A 20.0-V potential difference is applied across a parallel combination of a 60.0-ohm and a 10-ohm resistor. What is the current in the 10.0-ohm resistor?
2.0 A