Volume 2
A positive point charge is released from rest at a distance r0 from a positive line charge with uniform density. The speed (v) of the point charge, as a function of instantaneous distance r from line charge, is proportional to :
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Dec
A positive point charge is released from rest at a distance r0 from a positive line charge with uniform density. The speed (v) of the point charge, as a function of instantaneous distance r from line charge, is proportional to : A positive point charge is released from rest at a distance r0 from a [...]
An electric dipole is formed by two equal and opposite charges q with separation d. The charges have same mass m. It is kept in a uniform electric field E. If it is slightly rotated from its equilibrium orientation, then its angular frequency ω is :
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Dec
An electric dipole is formed by two equal and opposite charges q with separation d. The charges have same mass m. It is kept in a uniform electric field E. If it is slightly rotated from its equilibrium orientation, then its angular frequency ω is : the angle that the pendulum makes with the vertical [...]
The electric field in a region is given by E = (Ax + B) i ^ , where E is in NC^−1 and x is in metres. The values of constants are A=20SI unit and B=10SI unit. If the potential at x=1 is V1 and that at x=−5 is V2 , then V1− V2 is :-
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Dec
The electric field in a region is given by E = (Ax + B) i ^ , where E is in NC^−1 and x is in metres. The values of constants are A=20SI unit and B=10SI unit. If the potential at x=1 is V1 and that at x=−5 is V2 , then V1− V2 is [...]
Voltage rating of a parallel plate capacitor is 500 V. Its dielectric can withstand a maximum electric field of 10^6 V/m. The plate area is 10^−4 m^2 . What is the dielectric constant is the capacitance is 15 pF? (given ϵ0 = 8.86 × 10^−12 C^2 /Nm^2 ).
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Dec
Voltage rating of a parallel plate capacitor is 500 V. Its dielectric can withstand a maximum electric field of 10^6 V/m. The plate area is 10^−4 m^2 . What is the dielectric constant is the capacitance is 15 pF? (given ϵ0 = 8.86 × 10^−12 C^2 /Nm^2 ). the angle that the pendulum makes with [...]
A solid conducting sphere having a charge Q is surrounded by an uncharged concentric conducting hollow spherical shell. Let the potential difference between the surface of the solid sphere and that of the outer surface of the hollow shell be V. If the shell is now given a charge of −4Q, the new potential difference between the same two surfaces is :
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Dec
A solid conducting sphere having a charge Q is surrounded by an uncharged concentric conducting hollow spherical shell. Let the potential difference between the surface of the solid sphere and that of the outer surface of the hollow shell be V. If the shell is now given a charge of −4Q, the new potential difference [...]
The bob of a simple pendulum has mass 2g and a charge of 5.0μC. It is at rest in a uniform horizontal electric field of intensity 2000 V/m. At equilibrium, the angle that the pendulum makes with the vertical is : (take g=10 m/s^2 ).
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Dec
The bob of a simple pendulum has mass 2g and a charge of 5.0μC. It is at rest in a uniform horizontal electric field of intensity 2000 V/m. At equilibrium, the angle that the pendulum makes with the vertical is : (take g=10 m/s^2 ). the angle that the pendulum makes with the vertical is [...]
The mass of a product liberated on anode in an electrochemical cell depends on
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The mass of a product liberated on anode in an electrochemical cell depends on The mass of a product liberated on anode in an electrochemical cell depends on December 5, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
If in the circuit power dissipation is 150 W, then R is
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Dec
If in the circuit power dissipation is 150 W, then R is If in the circuit power dissipation is 150 W then R is December 5, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
A wire when connected to 220V mains supply has power dissipation P1. Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is P2 . Then P2 : P1 is
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Dec
A wire when connected to 220V mains supply has power dissipation P1. Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is P2 . Then P2 : P1 is The thermistors are usually made of December 5, 2020 Category: Arihant Physics [...]
A 220 volt – 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be
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Dec
A 220 volt – 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be A 220 volt - 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be December 5, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity [...]