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
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Electric Circuits
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