MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

A current is sent through a helical spring and it appears to be compressed. Explain.

Important Questions on Magnetic Effect of Electric Current

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 7
Distinguish between the deflections of a charged particle in electric and magnetic fields.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 8
An electron moves in a region of space but is not deflected. What type of field, electric or magnetic, may be present in space? Explain your answer.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 9
Two long wires are hanging freely and are parallel to each other. The two are connected in series to a battery. What happens and why?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 10
The two long parallel wires are hanging freely and are connected in parallel to a battery. What happens and why ?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 11
Two concentric circular loops of wires of radii r1 and r2 carry currents in the same direction. Explain the nature of force on the inner loop. Given r1<r2.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 12
 A flexible wire is wrapped loosely around a strong magnet. Explain what will happen when a heavy current is maintained in the wire.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 13
Why should an ammeter have low resistance whereas a voltmeter have high resistance ?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 14
Distinguish between an ammeter and a voltmeter.