Quiz Questions

6. Basic Electricity (ITISKILL2959RN)

Q-Paper A-Paper
Question 1 1 Marks
Which law states that at constant termperature the current passing through a closed circuit is directly proportional to the potential difference and inversely proportional to the resistance?
A
Ohm's law
B
Lenz's law
C
Newton's law
D
Hooke's law
Question 2 1 Marks
Which property of a substance is opposing the flow of electric current?
A
Current
B
Voltage
C
Resistance
D
EMF
Question 3 1 Marks
Which machine converts mechanical energy into electrical energy?
A
Battery
B
Generator
C
Heater
D
Iron box
Question 4 1 Marks
What is the unit of intensity of magnetic field?
A
wb/m
B
m/wb
C
Hertz
D
Coloumb
Question 5 1 Marks
What is the formual for induced emf?
A
B<sup>2</sup>L sinq volts
B
BL sinq volts
C
BLV sinq volts
D
B<sup>2</sup>V sinq volts
Question 6 1 Marks
What is the flow of electrons in any conductor?
A
Voltage
B
Current
C
Resistance
D
Power
Question 7 1 Marks
Which is the unit of current?
A
Ampere
B
Volt
C
Ohm
D
Watt
Question 8 1 Marks
What is the filament resistance if a 6 volt bulb draws a current of 0.5 Amps?
A
12 W
B
10 W
C
3 W
D
1.2 W
Question 9 1 Marks
Which is equal to electric power?
A
R<sup>2</sup>I watts
B
I<sup>2</sup>R watts
C
RI
D
IRA
Question 10 1 Marks
Which is the unit electrical power?
A
Volts
B
Ohms
C
Watts
D
Ampere
Question 11 1 Marks
Which is mineral insulator
A
Glass
B
Quartz
C
Mica
D
Porcelain
Question 12 1 Marks
What is the current Flow in the bulb?
<br>
P = 550 watts
<br>
R = 22 Ohms
<br>
I = ______Amps
A
2 Amps
B
3 Amps
C
4 Amps
D
5 Amps
Question 13 1 Marks
How much watt second in 1 watt hour?
A
1000 watt sec
B
2000 watt sec
C
3600 watt sec
D
4000 watt sec
Question 14 1 Marks
How much power does it consumes if an electric heater draws a current of 10 amps at 200 volts?
A
2000 watts
B
2010 watts
C
2020 watts
D
2030 watts
Question 15 1 Marks
What is the power if an emf of one volt causes a current flow of 1ampere?
A
1 watt
B
1 kilowatt
C
1 HP
D
1 Kilowatt hour
Question 16 1 Marks
What is the total resistance if two resistances of 4 ohms and 6 ohms are connected in parallel?
A
10
B
2.4
C
5
D
4
Question 17 1 Marks
Which is same in series connection of resistors in a circuit?
A
Current
B
Voltage
C
Resistance
D
Power
Question 18 1 Marks
Which is the unit of resistance?
A
Ampere
B
Volt
C
Ohm
D
Watt
Question 19 1 Marks
Which is the example for statically induced emf?
A
Generator
B
Motor
C
Transformer
D
Refrigerator
Question 20 1 Marks
What is the voltage of the immersion heater?
<br>P = 500 watts
<br>
I = 2.27 Amps
<br>
V = ______Volts
A
200.3 volts
B
210.3 volts
C
220.3 volts
D
230.3 volts
Question 21 1 Marks
What is the resistance of an electric iron if the rating of electric iron is 220 V and 500 watts?
A
94.8 ohms
B
95.8 ohms
C
96.8 ohms
D
97.8 ohms
Question 22 1 Marks
What does EMF stands for?
A
Electronic Magnetic Force
B
Electro Motive Force
C
Electro Magnetic Force
D
Electromated Force
Question 23 1 Marks
What is the resistance?
<br>
I = 11.5 Amps
<br>
V = 380 Volts
<br>
R = _______Ohms
A
13 ohms
B
23 ohms
C
33 ohms
D
43 ohms
Question 24 1 Marks
What is the total resistance if three resistances of 3 ohms, 9 ohms and 5 ohms are connected in series?
A
11 ohms
B
7 ohm
C
17 ohms
D
1/17 ohms
Question 25 1 Marks
Which law states about electromagnetic induction?
A
Ohm's law
B
Hooke's law
C
Lenz's law
D
Faraday's law
Question 26 1 Marks
How many hours will take for a 100 watts bulb to consume 1 kwh energy?
<br>
W = 1 Kwh
<br>
P = 100 Watts
<br>
t = _____Hours
A
10 hours
B
12 hours
C
18 hours
D
24 hours
Question 27 1 Marks
What is the rated power if an adjustable resistor bears the following label 1.5 k ohms/ 0.08A?
A
9.2 watts
B
9.4 watts
C
9.6 watts
D
9.8 watts
Question 28 1 Marks
How much voltage will be required to illuminate a 40 watts fluorescent lamp draws a current of 0.10 amperes?
A
390 volts
B
395 volts
C
400 volts
D
405 volts
Question 29 1 Marks
Which statement is correct according to ohm's law?
A
I = 1/V
B
I = R
C
I = V/R
D
I = R/V
Question 30 1 Marks
Which is very good conductor?
A
Copper
B
Cast iron
C
Wrought iron
D
Steel
Question 31 1 Marks
What is the voltage?
<br>
R = 250 Ohms
<br>
I = 0.44 Amps
<br>
V = _____Volts
A
100 Volts
B
105 Volts
C
108 Volts
D
110 Volts
Question 32 1 Marks
What is the current?
<br>
R = 50 Ohms
<br>
220 Volts
<br>
I =______Amps
A
4.1 Amps
B
4.2 Amps
C
4.3 Amps
D
4.4 Amps
Question 33 1 Marks
What is the power required?
<br>
I = 0.455 Amps
<br>
R = 484 Ohms
<br>
P = _____Watts
A
98.2 watts
B
99.2 watts
C
100.2 watts
D
101.2 watts
Question 34 1 Marks
Which is the example for dynamicallly induced Emf?
A
Motor
B
Generator
C
Car
D
Motor bike