Physics question and answers for November 29, 2023
- Q A short circuited coil is placed in a time varying magnetic field Electrical power is dissipated due to the current induced in the coil If the number of turns were...
- Q 5 20 Two parallel conducting rails separated by a distance are fixed on a plane surface inclined at an angle a to the horizontal as shown in figure 5 336...
- Q In an electromagnetic free space the root mean square value of the electric field is E 1 6Vm The peak value wave in rms of the magnetic field is O...
- Q Ans 3 28 A tan 5 5 4 A bulb of resistance 10 Q2 connected to an inductor of inductance L is in series with an AC source marked 100...
- Q S Consider an infinite one dimensional wire carrying a uniform current I as shown in the figure A square loop of side a is initially placed such that the center...
- Q A ring of circular cross section is made of material of resistivity p The inner an outer radii of ring are a and 2a respectively and its thickness is h...
- Q 5 58 Along straight wire is parallel to one edge of a rectangular loop as shown in figure 5 310 If the current in the long wire varies with time...
- Q A very long straight conductor and an isosceles triangular conductor lie in a plane and are separated from each other as shown in figure If a 10 cm h 10...
- Q A rectangular conducting loop B has its side lengths equal to b and a b In the plane of the loop there is another very very small loop A in...
- Q 5 59 A constant voltage is applied to a series RL circuit by closing the switch The voltage across inductor of inductance 2H is 20V at t 0 and drops...
- Q The circuit was under steady state At t 0 switch K is closed the value of s found to be x times The value of x is K R www...
- Q When a magnet suddenly exits the center of a solenoid coil an induced voltage EMF appears If the coil is part of a circuit containing a galvanometer in which direction...
- Q eld ce ely 1 25 A conducting rod of length rotates about its one end with angular velocity o Potential difference between A and B Find V Take m points...
- Q A metallic wire ABC is placed along the curve y x Coordinates of point A B and C are 1 1 0 0 and 1 1 respectively This wire is...
- Q 29 The needle of a deflection galvanometer shows a deflection of 60 due to a short bar magnet at a certain distance in tanA position If the distance is doubled...
- Q An electric potential difference will be induced 1 between the ends of the conductor shown in the diagram when the conductor moves in the direction 1 P 2 Q 3...
- Q A R L C circuit containing 520 resistor a 230 mH inductor and a 8 8 F capacitor is driven by an A C voltage source that has an amplitude...
- Q Figure shows the top view of a rod that can slide without friction The resistor is 6 092 and a 2 5T uniform magnetic field is directed perpendicularly downward into...
- Q In the L R circuit shown in the figure the key K is closed at time t 0 L 00000000 R R 3 The current through R decreases with time...
- Q In the given figure shown below a conducting circular loop of radius I is placed in a uniform and perpendicular magnetic field B A metal rod OA is pivoted at...
- Q A B I The diagram shows a rectangular loop of wire moving away in the direction of the blue arrow from a long straight wire carrying a constant current I...
- Q Two parallel long resistanceless rails are joined at ends by a resistance R A slider with zero resistance of mass length has been imparted a velocity vo System is kept...
- Q Figure shows an electrical circuit which has a rectangular region of uniform and constant magnetic field B A long metallic sheet of width is being moved with velocity v Reading...
- Q 1 The magnetic field between the poles of the electromagnet is uniform at any time but its magnitude is increasing at the rate of 0 01T s The area of...
- Q conducting rod of length and mass m is released from rest at t 0 in magnetic field on parallel rails to move vertically downward due to gravity as shown in...
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