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If a vector A makes angles α,β and γ, respectively with X, Y and Z axes then sin^2 α + sin^2 β + sin^2 γ =
08
Sep
If a vector A makes angles α,β and γ, respectively with X, Y and Z axes then sin^2 α + sin^2 β + sin^2 γ = If a vector A makes angles α respectively with X Y and Z axes then sin^2 α + sin^2 β + sin^2 γ = β and γ September 8, [...]
If A = 3 i^ + 6 j^ – 2 k, the direction of cosines of the vector A are
08
Sep
If A = 3 i^ + 6 j^ – 2 k, the direction of cosines of the vector A are If A = 3 i^ + 6 j^ - 2 k the direction of cosines of the vector A are September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Vectors , [...]
A circuit containing an 80mH inductor and a 60μF capacitor in series is connected to a 230V−50Hz Supply. The resistance in the circuit is negligible . (a) Obtain the current amplitude and rms currents. (b) Obtain the rms values of voltage across inductor and capacitor. (c ) What is the average power transferred to the inductor and to the capacitor? (d) What is the total power absorbed by the circuit?
08
Sep
A circuit containing an 80mH inductor and a 60μF capacitor in series is connected to a 230V−50Hz Supply. The resistance in the circuit is negligible . (a) Obtain the current amplitude and rms currents. (b) Obtain the rms values of voltage across inductor and capacitor. (c ) What is the average power transferred to the [...]
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and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
The unit vector parallel to the resultant of vectors A = i^ + 2 j^ – k^ and B = 2 i^ + 4 j^ – k is
08
Sep
The unit vector parallel to the resultant of vectors A = i^ + 2 j^ – k^ and B = 2 i^ + 4 j^ – k is The unit vector parallel to the resultant of vectors A = i^ + 2 j^ - k^ and B = 2 i^ + 4 j^ - k [...]
A 25.0 μF capacitor, 0.10 henry inductor and a 25.0 Ω resistor are connected in series with an a.c. source whose emf is given by ɛ=310sin314t (i) What is the frequency of the emf? (ii) Calculate (a) the reactance of the circuit, (b) the impedance of the circuit, and (c) the current in the circuit.
08
Sep
A 25.0 μF capacitor, 0.10 henry inductor and a 25.0 Ω resistor are connected in series with an a.c. source whose emf is given by ɛ=310sin314t (i) What is the frequency of the emf? (ii) Calculate (a) the reactance of the circuit, (b) the impedance of the circuit, and (c) the current in the circuit. [...]
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A 25.0 μF capacitor ,
and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
If A = 3 i^ – 4 J^ and B = 2 i^ + 16 j^ then the magnitude and distance of A + B will be
08
Sep
If A = 3 i^ – 4 J^ and B = 2 i^ + 16 j^ then the magnitude and distance of A + B will be If A = 3 i^ - 4 J^ and B = 2 i^ + 16 j^ then the magnitude and distance of A + B will be September [...]
A point object O is placed in front of a concave mirror of focal length 10 cm. A glass slab of refractive index mu = 3/2 and thickness 6 cm is inserted between the object and mirror. Find the position of final image when the distance x shown in figure
08
Sep
A point object O is placed in front of a concave mirror of focal length 10 cm. A glass slab of refractive index mu = 3/2 and thickness 6 cm is inserted between the object and mirror. Find the position of final image when the distance x shown in figure find the apparent depth of [...]
Three forces acting on a body are shown in the figure. To have the resultant force only along the y-direction, the magnitude of the minimum additional force needed is –
08
Sep
Three forces acting on a body are shown in the figure. To have the resultant force only along the y-direction, the magnitude of the minimum additional force needed is – the magnitude of the minimum additional force needed is - Three forces acting on a body are shown in the figure. To have the resultant [...]
A series LCR circuit with L= 0.12 H,C= 480 nF, and R = 23 Omega` is connected to a 230-V variable frequency supply. (a) What is the source frequency for which current amplitude is maximum? Find this maximum value. (b) What is the source frequency for which average power absorbed by the circuit is maximum? Obtain the value of maximum power. (c ) For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? (d) What is the Q-factor of the circuit?
08
Sep
A series LCR circuit with L= 0.12 H,C= 480 nF, and R = 23 Omega` is connected to a 230-V variable frequency supply. (a) What is the source frequency for which current amplitude is maximum? Find this maximum value. (b) What is the source frequency for which average power absorbed by the circuit is maximum? [...]
Tags:
A series LCR circuit with L= 0.12 H ,
and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
C= 480 nF ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
A 20 cm thick glass slab of refractive index 1.5 is kept in front of a plane mirror. Find the position of the image (relative to mirror) as seen by an observer through the glass slab when a point object is kept in air
08
Sep
A 20 cm thick glass slab of refractive index 1.5 is kept in front of a plane mirror. Find the position of the image (relative to mirror) as seen by an observer through the glass slab when a point object is kept in air find the apparent depth of the object seen below surface AB. [...]