Question

Q1 The unit for current is ___________ ?
ampere
ohm
volt
watt
अन्य:


Q2 How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?
10
60
600
1200


Q3 For which of the following' ampere second' could be the unit *
reluctance
charge
power
energy
अन्य:


Q4 The S I unit for power is ___________ ?
henry
watt
watt-hour
coloumb


Q5 In case of direct current ?
magnitude and direction of current remains constant
magnitude and direction of current changes with time
magnitude of current changes with time
magnitude of current remains constant
अन्य:


Q6 What is the rate of flow of electric charges called?
Electric potential
electric conductance
electric current
none of these
अन्य:


Q7 When one unit electric charge moves from one point to another point in an electric circuit, then the amount of work done in joules is known as?
electric conductance
electric resistance
electric current
potiential difference
अन्य:


Q8 Current that changes direction after equal intervals of time is called ?
direct current
electric charge
conventional current
alternating current
अन्य:


Q9 If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be ?
0.5 V
2 V
5 V
10 V
अन्य:


Q10 If a charge of 12 C passes through a computer in 2 min, what is the average current through the computer?
24 A
6 A
0.1 A
10 A


Q11 The generating voltage and frequency in India is about?
11 kV and 60 Hz
11 kV and 50 Hz
220 kV and 60 Hz
220 kV and 50 Hz


Q12. What is the frequency of ac mains in India?
120 Hz
60 Hz
50 Hz
30 Hz


Q13 Which of the following statements are true?
Power is proportional to voltage only
Power is proportional to current only
Power is neither proportional to voltage nor to the current
Power is proportional to both the voltage and current


Q14 The voltage of single phase supply to residential consumer is?
110v
230v
210v
400v
अन्य:


Q15 Which of the following is usually not the generating voltage?
6.6 kV
8.8 kV
11 kV
13.2 kV


Q16 current in a 60W light bulb when it is connected to 230V power supply is ?
0.26A
1.5A
2.6A
3.9A
अन्य


Q17 Kilowatt-hour(kWh) is a unit of?
Current
Power
Energy
Resistance


Q18 Watt is equal to one ?
joule per second
meter per second
ampere per second
farad per second


Q19 (Electrical energy/time) is equal to ?
potential difference
flow of light
flow of heat
electric power


Q20 A 250V bulb passes a current of 0.3A. Calculate the power in the lamp. ?
a) 75W
b) 50W
c) 25W
d) 90W​

Answer 1

Answer:

1) volt

2) 600

3) charge

4) watt

5) magnitude of current changes in time

6) electric current

7) electric resistance

8) alternating current

9) 2V

10) 0.1 A

11) 220kv and 60 hz

12) 60 hz

13) power is neither proportional to current nor to voltage

14) 230vl

15) 6.6kv

16) 2.6A

17) power

18) meter per second

19) flow of light

20) 75W

Answer 2

Answer:

electric power

Explanation:

as it was in my book