Physics question and answers for November 24, 2023
- Q A coil of wire of radius R has 200 turns and a self inductance of 108 mH The self inductance of a similar coil of 500 turns will be A...
- Q 5 A circular coil of radius R 10 cm having 500 turns and total resistance 22 is placed initially perpendicular to the earth s magnetic field of 3x10 5T The...
- Q A generator connected to the wheel or hub of a bicycle can be used to power lights or small electronic devices A typical bicycle generator supplies 6 25 V when...
- Q 5 5 In the circuit shown in figure 5 282 L 10H R 502 E 15V The switch S is closed at t 0 At t 2s the current in...
- Q 5 50 A circular coil of mean radius of 7cm and having 4000 turns is rotated at the rate of 1800 revolutions per minute in the earth s magnetic field...
- Q 5 49 In the part of a circuit branch shown in figure 5 304 the potential difference V at t 1s is ab A 30V C 20V a 202 www...
- Q 5 1 A coil of area 10cm and 10 turns is placed in a magnetic field directed perpendicular to the plane and changing at a rate of 108 gauss s...
- Q A conducting rod AB of length IM is moving at a velocity v 4 m sec Making an angle 30 with it s length A uniform magnetic field B 2T...
- Q Find the induced EMF about ends of the rod in each case OB B Cen N 1 R X
- Q 38 A capacitor of capacitance C is connected V volt potential Battery is then disconnected and inductor of inductance L is connected across the capacitor so that LC oscillations are...
- Q In the diagram shown a uniform magnetic field is present perpendicular to the plane of the paper Both the rings are identical and have a constant resistance per unit length...
- Q 34 A particle of charge q follows a trajectory as shown in the figure Determine the type of the charge positive or negatively charged Obtain the momentum p of the...
- Q The angle of dip at a place is 40 60 and the intensity of the vertical component of the earth s magnetic field V 6 x 10 Tesla The total...
- Q A rectangular loop and circular loop are moving out of a uniform magnetic field region in the given figure to a field free region with a constant velocity In which...
- Q A broad metal plate is connected to earth through a conducting wire as shows An electes flies with constant velocity along a straight line above the plate at a distance...
- Q A conducting loop in the form of a circle is placed in a uniform magnetic field with its plane perpendicular to the direction of the field An e m f...
- Q of resistance R inductance L is connected to a battery is L R R In2 In 10 infinite In5
- Q 5 27 Two coils X and Y are placed in a circuit such that a current change of 3A in coil X causes the change in magnetic flux by 1...
- Q 1 A step up transformer is designed to accept an input voltage and current where max 163 A and Vmax 303 V and have an output voltage of Vmax 475...
- Q Same as the above problem except the coil A is made to rotate about a vertical axis refer to the figure No current flows in B if A is at...
- Q 1 A rectangular loop of wire is pulled to the right away from the long straight wire through which a steady current I flows upwards What is the direction of...
- Q Inductance plays the role of inertia b friction Source source of emf 5W204 d force
- Q Question 1 Refer to Fig 6 12 a The arm PQ of the rectangular conductor is moved from x 0 outwards The uniform magnetic field is perpendicular to the plane...
- Q 5 18 A square loop of side b is rotated in a constant magnetic field B at angular frequency o as shown in the figure 5 287 What is the...
- Q 5 37 A conducting rod PQ of length 5m oriented as shown in figure 5 297 is moving with velocity 2 i m s without any rotation in a uniform...
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