Electromagnetic Induction & Alternating Currents (AIIMS Physics): Questions 36  41 of 51
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Question number: 36
» Electromagnetic Induction & Alternating Currents » Reactance and Impedance
Question
The reactance of an inductance of 0.04H for 100 Hz A. C. is –
Choices
Choice (4)  Response  

a.  10.55 Ω 

b.  25.12 Ω 

c.  8.20 Ω 

d.  9.14 Ω 

Question number: 37
» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance
Question
The of mutual inductance of two coils when magnetic flux changes by 9 and current changes by 0.03 A is –
Choices
Choice (4)  Response  

a.  2 H 

b.  3 H 

c.  6 H 

d.  9 H 

Question number: 38
» Electromagnetic Induction & Alternating Currents » Induced EMF and Current
Question
A conducting ring of radius 1 meter is placed in a uniform magnetic field B of 0.02 T, oscillating with frequency 150 Hz with its plane at right angles to magnetic field. What will be the induced electric field?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 39
» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance
Question
The of mutual inductance of two coils when magnetic flux changes by and current changes by 0.02 A is –
Choices
Choice (4)  Response  

a.  6 H 

b.  12 H 

c.  9 H 

d.  3 H 

Question number: 40
» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance
Question
The of mutual inductance of two coils when magnetic flux changes by and current changes by 0.08 A is –
Choices
Choice (4)  Response  

a.  2 H 

b.  0.5 H 

c.  0.4 H 

d.  1 H 

Question number: 41
» Electromagnetic Induction & Alternating Currents » Reactance and Impedance
Question
The reactance of an inductance of 0.07 H is . Than the frequency of a. c is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

