Chapter 21 – Capacitors
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The voltage of clouds is 4×10^6V with respect to ground. In a lighting strike lasting 100 ms, a charge of 4C is delivered to the ground. The power of lightening strike is
05
Dec
The voltage of clouds is 4×10^6V with respect to ground. In a lighting strike lasting 100 ms, a charge of 4C is delivered to the ground. The power of lightening strike is a charge of 4C is delivered to the ground. The power of lightening strike is The voltage of clouds is 4×10^6V with respect [...]
Two infinitely long parallel conducting plates having surface charge densities +σ and −σ respectively are separated by a small distance. The medium between the plates is vacuum. If ε0 is the dielectric permittivity of vacuum then the electric field in the region between the plates is :
05
Dec
Two infinitely long parallel conducting plates having surface charge densities +σ and −σ respectively are separated by a small distance. The medium between the plates is vacuum. If ε0 is the dielectric permittivity of vacuum then the electric field in the region between the plates is : find the capacitance of the capacitor ? From [...]
Two concentric conducting thin spherical shells A and B having radii rA and rB (rB > rA ) are charged to QA and −QB (∣QB ∣>∣QA∣). The electrical field along a line passing through the centre is
05
Dec
Two concentric conducting thin spherical shells A and B having radii rA and rB (rB > rA ) are charged to QA and −QB (∣QB ∣>∣QA∣). The electrical field along a line passing through the centre is Two concentric conducting thin spherical shells A and B having radii rA and rB (rB > rA ) [...]
A 40μF capacitor in a defibrillator is charged to 3000V. The energy stored in the capacitor is sent through the patient during a pulse of duration 2ms. The power delivered to the patient is
05
Dec
A 40μF capacitor in a defibrillator is charged to 3000V. The energy stored in the capacitor is sent through the patient during a pulse of duration 2ms. The power delivered to the patient is A 40μF capacitor in a defibrillator is charged to 3000V. The energy stored in the capacitor is sent through the patient [...]
Equipotential surfaces associated with an electric field which is increasing in magnitude along the x‐direction are
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Dec
Equipotential surfaces associated with an electric field which is increasing in magnitude along the x‐direction are Equipotential surfaces associated with an electric field which is increasing in magnitude along the x‐direction are December 5, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 21 - Capacitors , [...]
A conducting sphere of radius 10cm is charged 10μC. Another uncharged sphere of radius 20cm is allowed to touch it for some time. After that if the sphere are separated, then surface density of charges, on the spheres will be in the ratio of
05
Dec
A conducting sphere of radius 10cm is charged 10μC. Another uncharged sphere of radius 20cm is allowed to touch it for some time. After that if the sphere are separated, then surface density of charges, on the spheres will be in the ratio of A conducting sphere of radius 10cm is charged 10μC. Another uncharged [...]
In the given figure, the capacitors C1, C3, C4 ,C5 have a capacitance 4μF each. If the capacitor C2 has a capacitance 10μF, then effective capacitance between A and B will be
05
Dec
In the given figure, the capacitors C1, C3, C4 ,C5 have a capacitance 4μF each. If the capacitor C2 has a capacitance 10μF, then effective capacitance between A and B will be C(4 C3 C5 have a capacitance 4μF each. If the capacitor C2 has a capacitance 10μF In the given [...]
From the figure, find the capacitance of the capacitor ?
05
Dec
From the figure, find the capacitance of the capacitor ? find the capacitance of the capacitor ? From the figure December 5, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 21 - Capacitors , Physics ,
Electric potential V at any point x, y, z in space is given by V = 6z^2 . The value of the electric field at the point (2, -1, 3) is
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Dec
Electric potential V at any point x, y, z in space is given by V = 6z^2 . The value of the electric field at the point (2, -1, 3) is 1 3) is Electric potential V at any point x y z in space is given by V = 6z^2 . The value of [...]
Seven capacitors each of capacitance 2μF are to be connected to obtain a capacitance of (10/11)μF. Which of the following combination is possible ?
05
Dec
Seven capacitors each of capacitance 2μF are to be connected to obtain a capacitance of (10/11)μF. Which of the following combination is possible ? Seven capacitors each of capacitance 2μF are to be connected to obtain a capacitance of (10/11)μF. Which of the following combination is possible ? December 5, 2020 Category: AIIMS Last 24 [...]