Worksheets139 Mock CBT
Total questions: 20
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
Which of the following discharges electric charge to earth?
a)
A) Compound
b)
B) Semiconductor
c)
C) Ground
d)
D) Electrolyte
2.
Which of the following is the unit of ELECTRIC CHARGE?
a)
A) Volt
b)
B) Coulomb
c)
C) Ampere
d)
D) Tesla
3.
Resistors or lamps connected end to end are called ______________ .
a)
A) Parallel Circuit
b)
B) Series Circuit
c)
C) Combinational Circuit
d)
D) Open Circuit
4.
Resistors or lamps connected side by side are called ______________ .
a)
A) Parallel Circuit
b)
B) Series Circuit
c)
C) Short Circuit
d)
D) Open Circuit
5.
The following has a unit of Volt Except:
a)
A) Electromotive Force (EMF)
b)
B) Potential Difference
c)
C) Current
d)
D) Voltage
6.
Which of the following is not a source of Direct current?
a)
A) Batteries
b)
B) Thermocouples
c)
C) Solar Cells
d)
D) Transformer
7.
Which of the following is a negatively charged atom particle?
a)
A) Proton
b)
B) Neutron
c)
C) Electron
d)
D) Molecule
8.
Which of the following is a material that doesn’t allow the current to flow?
a)
A) Insulator
b)
B) Conductor
c)
C) Ground
d)
D) Bonding
9.
What type of electrical charge is generated by friction?
a)
A) Capacitive
b)
B) Static
c)
C) Solar
d)
D) Chemical
10.
The AC/DC Ammeter is used to measure what Electrical quantity?
a)
A) Voltage
b)
B) Power
c)
C) Current
d)
D) Resistance
11.
Which of the following is true for a series circuit?
a)
A) It has the same current
b)
B) It has the same voltage
c)
C) It has the same charge
d)
D) It has the same power
12.
Which of the following is true for a parallel circuit?
a)
A) It has the same current
b)
B) It has the same voltage
c)
C) It has the same charge
d)
D) It has the same power
13.
The AC/DC Voltmeter is used to measure what Electrical quantity?
a)
A) Voltage
b)
B) Power
c)
C) Current
d)
D) Electric Charge
14.
What is the unit of resistance?
a)
A) Volt
b)
B) Ohm
c)
C) Ampere
d)
D) Siemen
15.
Which of the following terms describes how difficult it is to pass an electric current through that material?
a)
A) Inductance
b)
B) Conductance
c)
C) Resistance
d)
D) Voltage
16.
What will happen to the resistance of the wire if we increase its diameter/thickness/area?
a)
A) Will be the same
b)
B) Increases
c)
C) Decreases
d)
D) The resistance will be twice
17.
What is used in the photovoltaic effect to create electrical energy?
a)
A) The Sun
b)
B) Water
c)
C) Wind power
d)
D) Petrol
18.
What can two dissimilar metals in an electrolyte create?
a)
A) Drops in air pressure
b)
B) Rise in air pressure
c)
C) An EMF
d)
D) A Resistance
19.
What is the power used by a circuit with a 10V supply and a current of 4A?
a)
A) 400 W
b)
B) 0.4 W
c)
C) 2.5 W
d)
D) 40 W
20.
Which of the following is the rate at which current changes direction per second?
a)
A) Voltage
b)
B) Current
c)
C) Frequency
d)
D) Power
100 %
