Question Answers
Sahay Sir > Question Answers
The magnetic field at center O of the arc in figure is.
18
Nov
The magnetic field at center O of the arc in figure is. The magnetic field at center O of the arc in figure is. November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 23 - Magnetic Effects of Current and Moving Charges , Physics ,
A voltmeter of resistance 20000 Ω reads 5 volt. To make it read 20 volt, the extra resistance required is
18
Nov
A voltmeter of resistance 20000 Ω reads 5 volt. To make it read 20 volt, the extra resistance required is A voltmeter of resistance 20000 Ω reads 5 volt. To make it read 20 volt the extra resistance required is November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry [...]
The force per unit length between two straight conductors separated by a distance of 0.02 m is 2 × 10^-3 N m-1. The current in one conductor is 10 A and that in the other conductor is
18
Nov
The force per unit length between two straight conductors separated by a distance of 0.02 m is 2 × 10^-3 N m-1. The current in one conductor is 10 A and that in the other conductor is The force per unit length between two straight conductors separated by a distance of 0.02 m is 2 [...]
A particle of charge q and mass m starts moving from the origin under the action of an electric field E =E0i^and B =B0i^ with a velocity v =v0j^ . The speed of the particle will become 5√2v0 after a time
18
Nov
A particle of charge q and mass m starts moving from the origin under the action of an electric field E =E0i^and B =B0i^ with a velocity v =v0j^ . The speed of the particle will become 5√2v0 after a time A galvanometer can be changed into an ammeter by providing November 18, 2021 Category: [...]
Two parallel long wires A and B carry currents i1 and i2( smaller then i1). When i1 and i2 are in the same direction, the magnetic field at a point mid way between the wires is 10μT. If i2 is reverse the field becomes 30μT. The ratio i1/i2 is
18
Nov
Two parallel long wires A and B carry currents i1 and i2( smaller then i1). When i1 and i2 are in the same direction, the magnetic field at a point mid way between the wires is 10μT. If i2 is reverse the field becomes 30μT. The ratio i1/i2 is the magnetic field at a point [...]
Magnetic field at a distance a from long current carrying wire is proportional to.
18
Nov
Magnetic field at a distance a from long current carrying wire is proportional to. Magnetic field at a distance a from long current carrying wire is proportional to. November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 23 - Magnetic Effects of Current and Moving [...]
A long straight wire carries 10 Ad.c. current an electron travels perpendicular to the plane of this wire at a distance 0.1 m with velocity 5.0×10^6ms−1. Force acting on the electron due to current in wire is
18
Nov
A long straight wire carries 10 Ad.c. current an electron travels perpendicular to the plane of this wire at a distance 0.1 m with velocity 5.0×10^6ms−1. Force acting on the electron due to current in wire is A galvanometer can be changed into an ammeter by providing November 18, 2021 Category: AIIMS Last 24 Years [...]
A wire of mass 100 g, length 1 m and current 5 A is balanced in mid air by a magnetic field B, then find the value of B.
18
Nov
A wire of mass 100 g, length 1 m and current 5 A is balanced in mid air by a magnetic field B, then find the value of B. A wire of mass 100 g length 1 m and current 5 A is balanced in mid air by a magnetic field B then find the [...]
When a positively charged particle enters a uniform magnetic field with uniform velocity its trajectory can be a) straight line b)a circle c) a helix
18
Nov
When a positively charged particle enters a uniform magnetic field with uniform velocity its trajectory can be a) straight line b)a circle c) a helix When a positively charged particle enters a uniform magnetic field with uniform velocity its trajectory can be a) straight line b)a circle c) a helix November 18, 2021 Category: AIIMS [...]
A proton travels few distance in an electric field, then it enters a crossed magnetic field of 1T and radius 0⋅2 m, find the velocity of proton,
18
Nov
A proton travels few distance in an electric field, then it enters a crossed magnetic field of 1T and radius 0⋅2 m, find the velocity of proton, A proton travels few distance in an electric field find the velocity of proton then it enters a crossed magnetic field of 1T and radius 0⋅2 m November [...]