When is the conduction current the same as the displacement current?
Anonymous Quiz
24%
When the source is ac
34%
When the source is dc
35%
When the source is either an ac or a dc
7%
When the source is neither dc nor ac
๐7โค1
An electromagnetic wave can be produced when the charge is
Anonymous Quiz
15%
moving in a circular orbit
29%
moving with a constant velocity
17%
falling in an electric field
39%
Both (a) and (c)
๐5โค2
Which waves are used by artificial satellites for communication?
Anonymous Quiz
20%
Infrared rays
23%
Microwaves
47%
Radiowaves
10%
X-Rays
๐6โค2
What is the frequency of the AC Mains in India?
Anonymous Quiz
30%
60 Hz
52%
50 Hz
14%
40 Hz
4%
30 Hz
โค8๐2
Kaisa raha aaj ka quiz sabka? Kuchh confidence aaya khud par?
๐15๐ข10๐คฉ5โค2๐ฅ2
Hi bachho, mehnat karne walo ki haar nahi hoti or attempt karne walo ko pachhtawa nahi hota!! Get ready for quiz
๐14๐ฅ2
An alternating current can be produced by
Anonymous Quiz
14%
Choke Coil
28%
Dynamo
33%
Electric Motor
25%
Transformer
๐4
Which of the following can measure an alternating current?
Anonymous Quiz
20%
Voltmeter
48%
Ammeter
16%
Suspended coil galvanometer
16%
Moving coil galvanometer
โค5๐3๐ค1
Which of the following circuits exhibits maximum power dissipation?
Anonymous Quiz
24%
Pure Inductive Circuit
31%
Pure Capacitive Circuit
38%
Pure Resistive Circuit
7%
None of the above
๐5โค1
What happens to the inductive reactance when the frequency of the AC supply is increased?
Anonymous Quiz
32%
Increases
38%
Decreases
24%
Remains the same
6%
Decreases inversely
โค7๐3
Kaisa raha aaj ka attempt to quiz?? Let's discuss the doubts now..
๐ฅ9๐3๐2๐ฑ2โค1๐ค1
Hi bachho aaj ka quiz karne k liye jaldi se aajana sab!!
๐14๐ค2
What happens to the quality factor of an LCR circuit if the resistance is increased?
Anonymous Quiz
32%
Increases
40%
Decreases
23%
Remains the same
4%
None of the above
๐5๐คฏ1
Which of the following statements is true about the LCR circuit connected to an AC source at resonance?
Anonymous Quiz
36%
Voltage across R equals the applied voltage.
32%
Voltage across R is zero.
18%
Voltage across C is zero.
15%
Voltage across L equals the applied voltage.
๐3๐ค1
The impedance in the series LCR circuit is minimum at the resonance frequency.
Anonymous Quiz
75%
True
25%
False
๐4โค1๐ฅฐ1
When is the current in a circuit wattless?
Anonymous Quiz
28%
When the inductance of the circuit is zero.
32%
When the resistance of the circuit is zero.
17%
When the current is alternating.
23%
When both resistance and inductance are zero.
๐4๐3โค2