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A right angled triangular loop as shown below enters uniform magnetic field (at right angle to the boundary of the field) directed into the paper. Draw the graph between induced emf e and the distance along the perpendicular to the boundary of the field, (say x) along which loop moves.
20
Oct
A right angled triangular loop as shown below enters uniform magnetic field (at right angle to the boundary of the field) directed into the paper. Draw the graph between induced emf e and the distance along the perpendicular to the boundary of the field, (say x) along which loop moves. 0). If the rod moves [...]
A uniform magnetic field exists in a square of side 2a ( as shown in figure ). A square loop of side a enters the field along a diagonal and leave it at a constant speed. Draw the curve between induced emf e and distance along the diagonal , say x0.
20
Oct
A uniform magnetic field exists in a square of side 2a ( as shown in figure ). A square loop of side a enters the field along a diagonal and leave it at a constant speed. Draw the curve between induced emf e and distance along the diagonal , say x0. 0). If the rod [...]
Figures (a) and (b) show a square loop of side a rotating about the given axes in a uniform magnetic field such that the field is perpendicular to the axis in both cases. Angular speed of rotation is both cases being the same.
20
Oct
Figures (a) and (b) show a square loop of side a rotating about the given axes in a uniform magnetic field such that the field is perpendicular to the axis in both cases. Angular speed of rotation is both cases being the same. 0). If the rod moves with a velocity v = v0 find [...]
A conduting wire ABC (as shown) is moving with a constant velocity along horizontal direction. The magnetic field is perpendicular to the wire and directed into the page. AB =BC. Find the range of angle (θ) made by rod AB with horizontal at A so that value of induced emf at A is greater than at C
20
Oct
A conduting wire ABC (as shown) is moving with a constant velocity along horizontal direction. The magnetic field is perpendicular to the wire and directed into the page. AB =BC. Find the range of angle (θ) made by rod AB with horizontal at A so that value of induced emf at A is greater than [...]
A conducting rod of length 1 is moving on a horizontal smooth surface. Magnetic field in the region is vertically downward and magnitude B0. If centre of mass (COM) of the rod is translating with velocity v0 and rod rotates about COM with angular velocity v0/l, then potential difference between points O and A will be
20
Oct
A conducting rod of length 1 is moving on a horizontal smooth surface. Magnetic field in the region is vertically downward and magnitude B0. If centre of mass (COM) of the rod is translating with velocity v0 and rod rotates about COM with angular velocity v0/l, then potential difference between points O and A will [...]
The magnetic field inn a region is given by B = k B0/L y where L is a fixed length. A conducting rod of length L lies along the Y – axis between the origin and the point (0,L, 0). If the rod moves with a velocity v = v0 , find the emf induced between the ends of the rod.
20
Oct
The magnetic field inn a region is given by B = k B0/L y where L is a fixed length. A conducting rod of length L lies along the Y – axis between the origin and the point (0,L, 0). If the rod moves with a velocity v = v0 , find the emf induced [...]
A bob of mass, m attached to an inextensible string of length, l, is suspended from a vertical support. The bob rotates in a horizontal circle with an angular speed, ω rad/s about the vertical. About the point of suspension:
02
Oct
A bob of mass, m attached to an inextensible string of length, l, is suspended from a vertical support. The bob rotates in a horizontal circle with an angular speed, ω rad/s about the vertical. About the point of suspension: A bob of mass is suspended from a vertical support. The bob rotates in a [...]
Four persons K, L, M, N are initially at the four corners of a square of side d. Each person now moves with a uniform speed v in such a way that K always moves directly towards L, L directly towards
25
Sep
Four persons K, L, M, N are initially at the four corners of a square of side d. Each person now moves with a uniform speed v in such a way that K always moves directly towards L, L directly towards Four persons K L L directly towards m N are initially at the four [...]
L,C, and R represent the physical quantities inductance, capacitance, and resistance, respectively. The combinations which have the dimension of frequency are
16
Sep
L,C, and R represent the physical quantities inductance, capacitance, and resistance, respectively. The combinations which have the dimension of frequency are and R represent the physical quantities inductance and resistance C capacitance L respectively. The combinations which have the dimension of frequency are September 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + [...]
The dimensional formula for a physical quantity x is (M^-1 L^3 T^-2). The errors in measuring the quantities M, L, and T, respectively, are 2%, 3% and 4%. The maximum percentage of error that occurs
15
Sep
The dimensional formula for a physical quantity x is (M^-1 L^3 T^-2). The errors in measuring the quantities M, L, and T, respectively, are 2%, 3% and 4%. The maximum percentage of error that occurs 3% and 4%. The maximum percentage of error that occurs and T are 2% L respectively The dimensional formula for [...]