Chapter 22 – Current Electricity
Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 22 - Current Electricity
In a potentiometer experiment of a cell of emf 1.25V gives balancing length of 30cm. If the cell is replaced by another cell, balancing length is found to be 40cm. What is the emf of second cell ?
30
Nov
In a potentiometer experiment of a cell of emf 1.25V gives balancing length of 30cm. If the cell is replaced by another cell, balancing length is found to be 40cm. What is the emf of second cell ? balancing length is found to be 40cm. What is the emf of second cell ? In a [...]
In the circuit shown the current though the 5 ohm resistor is
30
Nov
In the circuit shown the current though the 5 ohm resistor is In the circuit shown the current though the 5 ohm resistor is November 30, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 22 - Current Electricity , Physics ,
A and B are two points on a uniform ring of resistance R. The ∠ACB=θ, where C is the centre of the ring. The equivalent resistance between A and B is:
30
Nov
A and B are two points on a uniform ring of resistance R. The ∠ACB=θ, where C is the centre of the ring. The equivalent resistance between A and B is: A and B are two points on a uniform ring of resistance R. The ∠ACB=θ where C is the centre of the ring. The [...]
The measurement of voltmeter in the following circuit is
30
Nov
The measurement of voltmeter in the following circuit is The measurement of voltmeter in the following circuit is November 30, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 22 - Current Electricity , Physics ,
A meter bridge is set up as shown, to determine an unknown resistance X using a standard 10 ohm resistor. The galvanometer shows null point when tapping -key is at 52 cm mark. The end-corrections are 1 cm and 2 cm respectively for the ends A and B. The determine value of X is
30
Nov
A meter bridge is set up as shown, to determine an unknown resistance X using a standard 10 ohm resistor. The galvanometer shows null point when tapping -key is at 52 cm mark. The end-corrections are 1 cm and 2 cm respectively for the ends A and B. The determine value of X is A [...]
On increasing the temperature of a conductor, its resistance increases because
30
Nov
On increasing the temperature of a conductor, its resistance increases because its resistance increases because On increasing the temperature of a conductor November 30, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 22 - Current Electricity , Physics ,
A steady current flows in a metallic conductor of non-uniform cross-section. Which of the following quantities is constant along the conductor?
30
Nov
A steady current flows in a metallic conductor of non-uniform cross-section. Which of the following quantities is constant along the conductor? A steady current flows in a metallic conductor of non-uniform cross-section. Which of the following quantities is constant along the conductor? November 30, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics [...]
Ten identical cells each of potential E and internal resistance r are connected in series to from a closed circuit . Am ideal voltmeter connected across 3cells will read
30
Nov
Ten identical cells each of potential E and internal resistance r are connected in series to from a closed circuit . Am ideal voltmeter connected across 3cells will read Ten identical cells each of potential E and internal resistance r are connected in series to from a closed circuit . Am ideal voltmeter connected across [...]
When a current is passed in a conductor, 5^oC rise in temperature is observed. If the strength of current is made thrice, rise in temperature will be
30
Nov
When a current is passed in a conductor, 5^oC rise in temperature is observed. If the strength of current is made thrice, rise in temperature will be 5^oC rise in temperature is observed. If the strength of current is made thrice rise in temperature will be When a current is passed in a conductor November [...]
2, 4 and 6 S are the conductances of three conductors. When they are joined in parallel, their equivalent conductance will be
30
Nov
2, 4 and 6 S are the conductances of three conductors. When they are joined in parallel, their equivalent conductance will be 2 4 and 6 S are the conductances of three conductors. When they are joined in parallel their equivalent conductance will be November 30, 2020 Category: AIIMS Last 24 Years Solved 1996 - [...]