Chapter 3 – Current Electricity
Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 3 - Current Electricity
Determine the charge on the capacitor in the following circuit :
05
Dec
Determine the charge on the capacitor in the following circuit : Determine the charge on the capacitor in the following circuit : December 5, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
In the circuit shown, a four-wire potentiometer is made of a 400cm long wire, which extends between A and B. The resistance per unit length of the potentiometer wire is r=0.01Ω/cm. If an ideal voltmeter is connected as shown with jockey J at 50 cm from end A, the expected reading of the voltmeter will be :-
05
Dec
In the circuit shown, a four-wire potentiometer is made of a 400cm long wire, which extends between A and B. The resistance per unit length of the potentiometer wire is r=0.01Ω/cm. If an ideal voltmeter is connected as shown with jockey J at 50 cm from end A, the expected reading of the voltmeter will [...]
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a four-wire potentiometer is made of a 400cm long wire ,
In the circuit shown ,
the expected reading of the voltmeter will be :- ,
which extends between A and B. The resistance per unit length of the potentiometer wire is r=0.01Ω/cm. If an ideal voltmeter is connected as shown with jockey J at 50 cm from end A ,
A cell of internal resistance r drives current through an external resistance R. The power delivered by the cell to the external resistance will be maximum when :
05
Dec
A cell of internal resistance r drives current through an external resistance R. The power delivered by the cell to the external resistance will be maximum when : A cell of internal resistance r drives current through an external resistance R. The power delivered by the cell to the external resistance will be maximum when [...]
In the figure shown, what is the current (in Ampere) drawn from the battery? You are given R1 = 15Ω, R2 = 10Ω, R3 = 20Ω, R4 = 5Ω, R5 = 25Ω, R6 = 30Ω, E = 15V
05
Dec
In the figure shown, what is the current (in Ampere) drawn from the battery? You are given R1 = 15Ω, R2 = 10Ω, R3 = 20Ω, R4 = 5Ω, R5 = 25Ω, R6 = 30Ω, E = 15V E = 15V In the figure shown R2 = 10Ω R3 = 20Ω R4 = 5Ω R5 [...]
A 200Ω resistor has a certain color code. If one replaces the red color by green in the code, the new resistance will be
05
Dec
A 200Ω resistor has a certain color code. If one replaces the red color by green in the code, the new resistance will be A 200Ω resistor has a certain color code. If one replaces the red color by green in the code the new resistance will be December 5, 2020 Category: Arihant Physics by [...]
A 20Ω resistance takes 5 minutes to boil a given amount of water. How much resistance will be required to boil the same amount of water using the same source in 1 minute?
03
Dec
A 20Ω resistance takes 5 minutes to boil a given amount of water. How much resistance will be required to boil the same amount of water using the same source in 1 minute? A 20Ω resistance takes 5 minutes to boil a given amount of water. How much resistance will be required to boil the [...]
When one ampere current flows for one minute through a silver voltmeter, it deposites 0.067g of silver on the cathode, then how much charge will flow to deposite 108g of silver?
03
Dec
When one ampere current flows for one minute through a silver voltmeter, it deposites 0.067g of silver on the cathode, then how much charge will flow to deposite 108g of silver? it deposites 0.067g of silver on the cathode then how much charge will flow to deposite 108g of silver? When one ampere current flows [...]
An electric kettle boils some water in 16 minutes. Due to some defect, it becomes necessary to remove 10% turns of heating coil of the kettle. Now, how much time will it take to boil the same mass of water.
03
Dec
An electric kettle boils some water in 16 minutes. Due to some defect, it becomes necessary to remove 10% turns of heating coil of the kettle. Now, how much time will it take to boil the same mass of water. An electric kettle boils some water in 16 minutes. Due to some defect how much [...]
A fuse wire of circular cross-section and having diameter of 0.4 mm, allows 3A of current to pass through it. But if another fuse wire of same material and circular cross-section and having diameter of 0.6 mm is taken, then the amount of current passed through the fuse is?
03
Dec
A fuse wire of circular cross-section and having diameter of 0.4 mm, allows 3A of current to pass through it. But if another fuse wire of same material and circular cross-section and having diameter of 0.6 mm is taken, then the amount of current passed through the fuse is? A fuse wire of circular cross-section [...]
The heat produced by the heather of 100 W in 7 min is :
03
Dec
The heat produced by the heather of 100 W in 7 min is : The heat produced by the heather of 100 W in 7 min is : December 3, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,