-q
A point charge q moves from point P to point S along the path PQRS In a uniform electric field E→ pointing parallel to the positive direction of the x-axis.. The coordinates of the points P, Q, R and S are (a, b,0); (2a,0,0),(a, -b, 0) and (0,0,0) respectively. The work done by the field in the above process is given by the expression
01
Dec
A point charge q moves from point P to point S along the path PQRS In a uniform electric field E→ pointing parallel to the positive direction of the x-axis.. The coordinates of the points P, Q, R and S are (a, b,0); (2a,0,0),(a, -b, 0) and (0,0,0) respectively. The work done by the field [...]
Tags:
-q ,
0 ) ,
0) and (0 ,
0) respectively. The work done by the field in the above process is given by the expression ,
0); (2a ,
A point charge q moves from point P to point S along the path PQRS In a uniform electric field E→ pointing parallel to the positive direction of the x-axis.. The coordinates of the points P ,
A) ,
B ,
R and S are (a ,
Three resistance P,Q,R each of 2Ω and an unknown resistance S from the four arms of a Wheatstone’s bridge circuit. When a resistance of 6Ω is connected in parallel to S the bridge gets balanced. What is the value of S ?
01
Dec
Three resistance P,Q,R each of 2Ω and an unknown resistance S from the four arms of a Wheatstone’s bridge circuit. When a resistance of 6Ω is connected in parallel to S the bridge gets balanced. What is the value of S ? -q R each of 2Ω and an unknown resistance S from the four [...]
A ball at O is in equilibrium as it is attached with two strings AO and DO , which are tied at A nad D . AO = DO = aroot 5. Thencharges at A , B, C and D are +q, +Q, +2Q, and -q , respectively. Find teh correct options. The ball at O is positively charged.
30
Oct
A ball at O is in equilibrium as it is attached with two strings AO and DO , which are tied at A nad D . AO = DO = aroot 5. Thencharges at A , B, C and D are +q, +Q, +2Q, and -q , respectively. Find teh correct options. The ball at [...]
Given are four arrangements of three fixed electric charges. In each arrangement, a point labeled P is also identified test charge, +q, is placed at point P. All of the charges are of the same magnitude, Q, but they can be either positive or negative as indicated . The charges and point P all lie on a straight line. The distance between adjacent items , either between two charges or between a charge and point P, are all the same. Correct order of choices in a decreasing order of magnitude of force on P is
30
Oct
Given are four arrangements of three fixed electric charges. In each arrangement, a point labeled P is also identified test charge, +q, is placed at point P. All of the charges are of the same magnitude, Q, but they can be either positive or negative as indicated . The charges and point P all lie [...]
Tags:
-q ,
a point labeled P is also identified test charge ,
are all the same. Correct order of choices in a decreasing order of magnitude of force on P is ,
but they can be either positive or negative as indicated . The charges and point P all lie on a straight line. The distance between adjacent items ,
either between two charges or between a charge and point P ,
Given are four arrangements of three fixed electric charges. In each arrangement ,
is placed at point P. All of the charges are of the same magnitude ,
The corners A, B, C , and D of a square are occupied by charges q, -q , 2Q and Q respectively . The side of square is 2b. The field at the midpoint of side CD is zero. What is the value of q/Q?
30
Oct
The corners A, B, C , and D of a square are occupied by charges q, -q , 2Q and Q respectively . The side of square is 2b. The field at the midpoint of side CD is zero. What is the value of q/Q? -q 2Q and Q respectively . The side of square [...]
Three charges q, q, and -2q are fixed on the vertices of an equilateral triangular plate of edge length a. This plate is in equilibrium two very large plates having surface charge density sigma1 and sigma2 respectively. Find the time period of small angular oscillation about an axis passing through its centroid and perpendicular to the plane . Moment of interia of the system about this axis is l.
30
Oct
Three charges q, q, and -2q are fixed on the vertices of an equilateral triangular plate of edge length a. This plate is in equilibrium two very large plates having surface charge density sigma1 and sigma2 respectively. Find the time period of small angular oscillation about an axis passing through its centroid and perpendicular to [...]
The circuit diagram (see figure) shows a ‘logic combination’ with the states outputs X, Y and Z given for inputs P, Q, R and S all at state 1 (i.e., high). When inputs P and R change to
22
Oct
The circuit diagram (see figure) shows a ‘logic combination’ with the states outputs X, Y and Z given for inputs P, Q, R and S all at state 1 (i.e., high). When inputs P and R change to -q high). When inputs P and R change to R and S all at state 1 (i.e. [...]
A current I = 3.36 (1+2 t) × 10^−2 A increase at a steady state in a long staight wire. A small circular loop of radius 10−3 m has its plane parallel to the wire and is placed at a distance of 1 m from the wire. The resistance of loop is 8.4 × 10^−4 (Ω). Find the approximate value of induced current in the loop.
20
Oct
A current I = 3.36 (1+2 t) × 10^−2 A increase at a steady state in a long staight wire. A small circular loop of radius 10−3 m has its plane parallel to the wire and is placed at a distance of 1 m from the wire. The resistance of loop is 8.4 × 10^−4 [...]
A ring of radius R is rolling on a horizontal plane with constant velocity v. There is a constant and uniform magnetic field B which is perpendicular to the plane of the ring. Emf across the lowest point A and right-most point C as shown in the figure will
20
Oct
A ring of radius R is rolling on a horizontal plane with constant velocity v. There is a constant and uniform magnetic field B which is perpendicular to the plane of the ring. Emf across the lowest point A and right-most point C as shown in the figure will -q A metallic square loop PQRS [...]
Consider parallel conducting rails separated by a distance l. There exists a uniform magnetic field B perpendicular to the plane of the rails as shown in Fig. Two conducting wires each of length l are placed so as to slide on parallel conducting rails. One of the wires is given a velocity v0 parallel to the rails. Till steady state is achieved, loss in kinetic energy of the system is
20
Oct
Consider parallel conducting rails separated by a distance l. There exists a uniform magnetic field B perpendicular to the plane of the rails as shown in Fig. Two conducting wires each of length l are placed so as to slide on parallel conducting rails. One of the wires is given a velocity v0 parallel to [...]