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The circuit shown in fig is in steady state. bat certain instant the switch is closed ,immediately after the switch S is closed. Find (i) potential difference across the inductor coil (ii) the rate of change of current through the inductor coil (iii) potential difference across the resistance
08
Sep
The circuit shown in fig is in steady state. bat certain instant the switch is closed ,immediately after the switch S is closed. Find (i) potential difference across the inductor coil (ii) the rate of change of current through the inductor coil (iii) potential difference across the resistance di/dt = -0.040 A/s. (a) Find the [...]
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di/dt = -0.040 A/s. (a) Find the magnitude of the self induced emf. (b) which end of the inductor ,
is at a higher potential? ,
M or N ,
The circuit shown in fig is in steady state. bat certain instant the switch is closed ,
The current in inductor shown in figure is flowing from right to left. The inductor has inductance 75 H and current in it is decreasing at a uniform rate ,
Two large plane mirrors MM1 and MM2 are arranged at 150 as shown in the figure. O is a point object and AB is a long line perpendicular to the line OP. Find the length of the part of the line AB
08
Sep
Two large plane mirrors MM1 and MM2 are arranged at 150 as shown in the figure. O is a point object and AB is a long line perpendicular to the line OP. Find the length of the part of the line AB Two large plane mirrors MM1 and MM2 are arranged at 150 as shown [...]
A point object O is kept in front of a plane mirror MM’. The line Mop makes an angle theta = 60 with the mirror. An observer is walking along the line APB (perpendicular to MOP. Find the length of his path along APB
08
Sep
A point object O is kept in front of a plane mirror MM’. The line Mop makes an angle theta = 60 with the mirror. An observer is walking along the line APB (perpendicular to MOP. Find the length of his path along APB A woman is standing in front of a plane mirror. What [...]
Find the self- inductance L of the coil whose resistance R= 2 ohm, a current i = 1.5 amp, which is increasing at a rate of 10^3 amp/s.
08
Sep
Find the self- inductance L of the coil whose resistance R= 2 ohm, a current i = 1.5 amp, which is increasing at a rate of 10^3 amp/s. a current i = 1.5 amp Find the self- inductance L of the coil whose resistance R= 2 ohm which is increasing at a rate of 10^3 [...]
A point source of light B is placed at a distance L in front of the centre of a mirror of width d hung vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror along a line parallel to the mirror
08
Sep
A point source of light B is placed at a distance L in front of the centre of a mirror of width d hung vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror along a line parallel to the mirror A woman is standing in [...]
A section of an electrical circuit MN which contains a resistance R =2 ohm, a battery of emf E = 24 V and a inductor coil of inductance L = 4 H as shown in fig. Then which carries a current 10 A which is decreasing at the rate of 5 A/s. Find the potential difference Vn- Vm
08
Sep
A section of an electrical circuit MN which contains a resistance R =2 ohm, a battery of emf E = 24 V and a inductor coil of inductance L = 4 H as shown in fig. Then which carries a current 10 A which is decreasing at the rate of 5 A/s. Find the potential [...]
Figure shows a point object A and a plane mirror MN. Find the position of the image of object A, in mirror MN, by drawing ray diagram. Indicate the region in which the observer’s eye must be present
08
Sep
Figure shows a point object A and a plane mirror MN. Find the position of the image of object A, in mirror MN, by drawing ray diagram. Indicate the region in which the observer’s eye must be present by drawing ray diagram. Indicate the region in which the observer's eye must be present Figure shows [...]
A ray of light is incident on a plane mirror along a vector ai + bj – ck. The normal on incidence point is along ai + bj – ck. The normal on incidence point is along i + j/root 2. Find a unit vector along the reflected ray.
08
Sep
A ray of light is incident on a plane mirror along a vector ai + bj – ck. The normal on incidence point is along ai + bj – ck. The normal on incidence point is along i + j/root 2. Find a unit vector along the reflected ray. A woman is standing in front [...]
The current in inductor shown in figure is flowing from right to left. The inductor has inductance 75 H and current in it is decreasing at a uniform rate, di/dt = -0.040 A/s. (a) Find the magnitude of the self induced emf. (b) which end of the inductor ,M or N , is at a higher potential?
07
Sep
The current in inductor shown in figure is flowing from right to left. The inductor has inductance 75 H and current in it is decreasing at a uniform rate, di/dt = -0.040 A/s. (a) Find the magnitude of the self induced emf. (b) which end of the inductor ,M or N , is at a [...]
Two iductors having inductances L1 and L2 are connected in parallel as shown in fig. The mutual inductance between the two inductors is M. Determine the equivalent inductance Leq for the system.
07
Sep
Two iductors having inductances L1 and L2 are connected in parallel as shown in fig. The mutual inductance between the two inductors is M. Determine the equivalent inductance Leq for the system. Two iductors having inductances L1 and L2 are connected in parallel as shown in fig. The mutual inductance between the two inductors is [...]