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Q 1/50
Score 0
What is the unit of electrical resistance?
30
Coulomb
Ohm
Ampere
Volt
Q 2/50
Score 0
Which type of circuit has only one path for current to flow?
30
Series circuit
Open circuit
Combination circuit
Parallel circuit
50 questions
Q.
What is the unit of electrical resistance?
1
30 sec
Q.
Which type of circuit has only one path for current to flow?
2
30 sec
Q.
What is the SI unit of electric potential difference?
3
30 sec
Q.
What is the term for the continuous flow of electric charge through a conductor?
4
30 sec
Q.
What is the term for a complete, closed path that allows electricity to flow?
5
30 sec
Q.
Which type of material does not allow electric current to flow easily?
6
30 sec
Q.
What is the term for a circuit with more than one path for current to flow?
7
30 sec
Q.
Which type of circuit is typically used in homes and buildings to power multiple devices independently?
8
30 sec
Q.
Which component is necessary to control the flow of electricity in circuits, commonly found in home lighting systems?
9
30 sec
Q.
What type of circuit allows the current to take multiple paths, with different components getting the full voltage of the source?
10
30 sec
Q.
Two point charges of +3 μC and -3 μC are separated by a distance of 2 meters. What is the force between them in vacuum?
11
30 sec
Q.
If the electric field at a point in space around a point charge is 300 N/C, what is the electric field if the distance from the point charge is doubled?
12
30 sec
Q.
What is the unit of electric charge in the International System of Units (SI)?
13
30 sec
Q.
Two identical point charges each with a charge of +2 μC are placed 0.5 meters apart. What is the magnitude of the electric force between them in a vacuum?
14
30 sec
Q.
What happens to the electric force between two point charges if the distance between them is tripled?
15
30 sec
Q.
What is the electric field strength at a point in space 2 meters away from a point charge of 1 μC in vacuum?
16
30 sec
Q.
What is the result of doubling the distance between two point charges while keeping their charges constant?
17
30 sec
Q.
What is the unit of capacitance?
18
30 sec
Q.
What happens to the capacitance when the distance between the plates of a parallel plate capacitor is doubled?
19
30 sec
Q.
What is the main function of a capacitor in an electronic circuit?
20
30 sec
Q.
You have three capacitors with capacitances of 5 microfarads, 10 microfarads, and 20 microfarads. If these capacitors are connected in parallel, what is the total capacitance?
21
30 sec
Q.
If two capacitors, one with a 15 microfarad capacitance and the other with a 30 microfarad capacitance, are connected in series, what is the total capacitance?
22
30 sec
Q.
According to Ohm's Law, if the voltage across a resistor is 120 volts and the resistance is 60 ohms, what is the current flowing through it?
23
30 sec
Q.
If the resistance in a circuit is 10 ohms and the current flowing through the circuit is 2 amperes, what is the voltage across the circuit according to Ohm's Law?
24
30 sec
Q.
How much current flows through a circuit with a voltage of 10 volts and a resistance of 5 ohms, according to Ohm's Law?
25
30 sec
Q.
What is the voltage across a circuit that has a resistance of 8 ohms and a current of 2 amperes flowing through it, according to Ohm's Law?
26
30 sec
Q.
If an electric kettle has a resistance of 20 ohms and operates at a voltage of 240 volts, according to Ohm's Law, what is the current flowing through the kettle?
27
30 sec
Q.
What happens to the total resistance in a series circuit when more resistors are added?
28
30 sec
Q.
In a series circuit, what happens to the current as more resistors are added?
29
30 sec
Q.
What happens to the total resistance of a series circuit if one of the resistors is removed?
30
30 sec
Q.
How does the total resistance of a series circuit compare to the individual resistors?
31
30 sec
Q.
In a parallel circuit, what happens to the total resistance as you add more resistors?
32
30 sec
Q.
What is the advantage of using a parallel circuit over a series circuit in household electrical wiring?
33
30 sec
Q.
In a parallel circuit with two resistors, if the first resistor has a resistance of 4 ohms and the second resistor has a resistance of 6 ohms, what is the total resistance of the circuit?
34
30 sec
Q.
What happens to the total current in a parallel circuit as you add more branches?
35
30 sec
Q.
What is the SI unit of electric field strength?
36
30 sec
Q.
What is the formula to calculate the magnitude of the electric field between two point charges?
37
30 sec
Q.
What type of charge do electrons carry?
38
30 sec
Q.
Which type of charge do protons possess?
39
30 sec
Q.
What happens when a positive charge and a negative charge are brought close together?
40
30 sec
Q.
When two objects have the same type of charge, what type of force is experienced between them?
41
30 sec
Q.
If a parallel circuit consists of two branches, with one branch having a 5Ω resistor and the other branch a 10Ω resistor, what is the total current flowing through the circuit when it is connected to a 15V battery?
42
30 sec
Q.
If a parallel circuit is made up of three resistors with values of 8Ω, 4Ω, and 16Ω respectively, and it is supplied with a voltage of 24V, what is the current flowing through the 4Ω resistor?
43
30 sec
Q.
In a parallel circuit with a total voltage of 15V, if one branch has a 5Ω resistor and another branch has a 10Ω resistor, what is the total current flowing through the circuit?
44
30 sec
Q.
In a parallel circuit with three resistors of 2Ω, 6Ω, and 3Ω, what is the total resistance?
45
30 sec
Q.
If a series circuit consists of a 6V battery and two resistors of 2 Ω and 3 Ω, what is the total voltage drop across the 3 Ω resistor?
46
30 sec
Q.
What is the total resistance of a series circuit if it has three resistors with values of 2 Ω, 3 Ω, and 5 Ω?
47
30 sec
Q.
What is the current flowing through a series circuit with a total resistance of 10 Ω connected to a 20V battery?
48
30 sec
Q.
A series circuit contains a 12V battery and resistors of 4 Ω, 6 Ω, and 10 Ω. What is the total resistance of the circuit?
49
30 sec
Q.
If a series circuit has a 12V power supply and two resistors in series, one of 3 Ω and another of 6 Ω, what is the current flowing through the circuit?
