Gamma Question Bank for Medical Physics>Chapter 19 - Moving Charges and Magnetism>Assignment>Q 49

EASY

NEET

IMPORTANT

Earn 100

Two equal electric currents are flowing perpendicular to each other as shown in the figure. Lines $A B$ and $C D$ are perpendicular to each other and symmetrically placed with respect to the currents. Where do we expect the resultant magnetic field to be zero?

50% studentsanswered this correctly

Important Questions on Moving Charges and Magnetism

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 19 - Moving Charges and Magnetism>Assignment>Q 51

A straight wire of a diameter

0.5 mm

carrying a current of

1 A

is replaced by another wire of

1 mm

diameter carrying the same current. The strength of the magnetic field far away is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 19 - Moving Charges and Magnetism>Assignment>Q 52

A closely wound solenoid of

2000

turns and area of cross-section

1.5 \times 10^{- 4} m^{2}

carries a current of

2.0 A

. It is suspended through its centre and perpendicular to its length, allowing it to turn in a horizontal plane in a uniform magnetic field

5 \times 10^{- 2} tesla

making an angle of

30 °

with the axis of the solenoid. The torque on the solenoid will be