Chapter 19 – Electric Resistance and Simple Circuits
Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 19 - Electric Resistance and Simple Circuits
The given infinite grid consists of hexagonal cells of six resistor each of resistance R. Then R12 =
06
Dec
The given infinite grid consists of hexagonal cells of six resistor each of resistance R. Then R12 = The given infinite grid consists of hexagonal cells of six resistor each of resistance R. Then R12 = December 6, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 19 - Electric Resistance and Simple [...]
Find the potential difference across C2.
06
Dec
Find the potential difference across C2. Find the potential difference across C2. December 6, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 19 - Electric Resistance and Simple Circuits ,
Find the equivalent resistance between A and B. Each resistor has same resistance R.
06
Dec
Find the equivalent resistance between A and B. Each resistor has same resistance R. Find the equivalent resistance between A and B. Each resistor has same resistance R. December 6, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 19 - Electric Resistance and Simple Circuits ,
The current enters at A and leaves at F. The values of some resistance are shown. What should be the value of resistance AB so that no current will flow through CB ?
06
Dec
The current enters at A and leaves at F. The values of some resistance are shown. What should be the value of resistance AB so that no current will flow through CB ? The current enters at A and leaves at F. The values of some resistance are shown. What should be the value of [...]
If the potential difference between A and D is V, what will be potential difference between F and C. each of the resistance is R.
06
Dec
If the potential difference between A and D is V, what will be potential difference between F and C. each of the resistance is R. If the potential difference between A and D is V what will be potential difference between F and C . Each of the resistance is R. December 6, 2020 Category: [...]
In the given circuit, with steady current, the potential of point A must be
06
Dec
In the given circuit, with steady current, the potential of point A must be In the given circuit the potential of point A must be with steady current December 6, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 19 - Electric Resistance and Simple Circuits ,
To get maximum current through a resistance of 2.5Ω, one can use m rows of cells, each row having n cells. The internal resistance of each cell is 0.5Ω. What are the value of n and m, if the total number of cells is 45?
06
Dec
To get maximum current through a resistance of 2.5Ω, one can use m rows of cells, each row having n cells. The internal resistance of each cell is 0.5Ω. What are the value of n and m, if the total number of cells is 45? each row having n cells. The internal resistance of each [...]
Under what condition, the current passing through the resistance R can be increased by short – circuiting the battery of emf `E_2` The internal resistances of the two batteries are `r_1 and r_2,` respectively.
06
Dec
Under what condition, the current passing through the resistance R can be increased by short – circuiting the battery of emf `E_2` The internal resistances of the two batteries are `r_1 and r_2,` respectively. respectively the current passing through the resistance R can be increased by short - circuiting the battery of emf `E_2` The [...]
In the circuit show, switch S is closed at t=0. Let i^1 and i^2 be the currents and
06
Dec
In the circuit show, switch S is closed at t=0. Let i^1 and i^2 be the currents and In the circuit show switch S is closed at t=0. Let i^1 and i^2 be the currents and December 6, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 19 - Electric Resistance and Simple [...]
Two capacitors C1andC2(C1>C2) are charged separately to same potential. Now they are allowed to discharge through similar resistors. Initial rate of discharging will be
06
Dec
Two capacitors C1andC2(C1>C2) are charged separately to same potential. Now they are allowed to discharge through similar resistors. Initial rate of discharging will be Two capacitors C1andC2(C1>C2) are charged separately to same potential. Now they are allowed to discharge through similar resistors. Initial rate of discharging will be December 6, 2020 Category: Cengage JEE Mains [...]