Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

Physics Mcqs

If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

Electromagnetism, Physics Mcqs /
If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

A. τ = NIAB cosφ
B. τ = NIAB sinφ
C. τ = NIAB tanφ
D. τ = NIAB

If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________? Read More »

Electromagnetism, Physics Mcqs

When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?

Electromagnetism, Physics Mcqs /
When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?

A. R=qB/mV
B. R=mV/qB
C. R=qmV/B
D. R=qmB/V

When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________? Read More »

Electromagnetism, Physics Mcqs

A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?

Electromagnetism, Physics Mcqs /
A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?

A. F=1/B
B. F=1/Bsinθ
C. F/0
D. F=1/Bcosθ

A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________? Read More »

Electromagnetism, Physics Mcqs

A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?

Electromagnetism, Physics Mcqs /
A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?

A. independent mass m
B. directly proportional to m
C. directly proportional to q
D. directly proportional to B

A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________? Read More »

Electromagnetism, Physics Mcqs

A wheat stone bridge is said to be balanced when____________________?

Electromagnetism, Physics Mcqs /
A wheat stone bridge is said to be balanced when____________________?

A. maximum current flows through the galvanometer branch
B. minimum current flows through the galvanometer branch
C. potential difference across galvanometer branch is maximum
D. potential difference across galvanometer branch is zero

A wheat stone bridge is said to be balanced when____________________? Read More »

Electromagnetism, Physics Mcqs

Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?

Electromagnetism, Physics Mcqs /
Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?

A. BINA cosa
B. BINA sina
C. BINA tana
D. BINA

Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________? Read More »

Electromagnetism, Physics Mcqs

A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?

Electromagnetism, Physics Mcqs /
A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?

A. 2.0 mA
B. 20 mA
C. 200 mA
D. 0.2 mA

A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________? Read More »

Electromagnetism, Physics Mcqs