Physics question and answers for December 01, 2023
- Q A circular frame of radius r made by a insulating material An equilateral triangle constructed with in it If it carries I current then magnetic field produced at geometrical centre...
- Q Draw the circuit diagram of an inverting amplifier of gain 10 and input impedance 10 kn The circuit should work for de as well as ac signals You are allowed...
- Q rails as shown in the figure mathange mathonan mathon mathonne mothers X Rahmathon mat mat go X mathango X X mathongo Y mathongo mathon mathongo mathanga mathongo mathongo B mothongo...
- Q 9 A 1 ph transformer has a trans ratio 1 2 and is connected to pure resis tive load If this magneting current is 1A and the secondary current is...
- Q A bracket is placed on a horizontal smooth floor and is pulled by a constant force of F 6 N horizontally A block is placed on a bracket as shown...
- Q Equivalent inductance of the following circuit between terminals A and B is 2 H mmmmm 2 H H 4 H 3 H mmmmmm 2 H mmmmm B
- Q The primary coil of a transformer has 100 turns and the secondary coil has 500 turns The primary is connected to an alternating voltage source with rms value 120 volts...
- Q A rectangular coll made up of turns of wire sides a 2 45m and b 4 89m rests on the xy axis There is a magnetic field that crosses the...
- Q Consider the following electric circuit At a given through the battery is 2 A and increasing at a rate 1 A s The value of emf of the cell is...
- Q Switch is in position 1 for a long time At time t 0 it is shifted to position 2 Find the maximum charge which will accumulate on capacitor E R...
- Q RMS value of emf per turn 1 11 x 4f OM 4 44f OM This is called the emf equation of transformer which shows emf number of turns is same...
- Q The solenoid is at rest and is connected to a galvanometer If magnet A and B are moved towards the solenoid with the same velocity at the same time will...
- Q he same 4 11 The straight wire AB carries a current I The ends of the wire subtend angles 0 and 0 at the point P as shown in e...
- Q A current carrying length is placed at distance x from a rectangular conducting loop having side length a and b The mutual inductance of the given system is 1 Ha...
- Q In the given circuit the potential difference across resistance is 54 V and power consumed by it is 16 W If AC frequency is 60 Hz find the value of...
- Q A circular conduction loop of radius ro and having resistance per unit length as shown in the figure is placed na magnetic field B which is constant in space and...
- Q 5 32 Two parallel wires AL and KM 250 m s earths connected by a resistor R and placed in a magnetic field B which is perpendicular to the plane...
- Q in uniform magnetic field B directed into the paperne questio Where AO and OC 2 then 41 A conducting rod AC of length 3 is rotated about O Xxxxx xxx...
- Q Test 2 Code A 44 The current in the inductor is varying with time according to the plot as shown in figure Which one of the following is best variation...
- Q 38 A wire of length 2 is bent at mid point so that angle between the two half is 90 If it moves with velocity vas shown in figure inside...
- Q hin flexible wire of length L is connected to two adjacent fixed points and carries a current in the clockwise direction as shown in the figure When the system is...
- Q The loop shown moves velocity v in a uniform magnetic field of magnitude B directed into the paper The potential difference between P and Q is e L 31 sub...
- Q The adjoining figure shows two bulbs B and B resistor R and an inductor L When the switch Sis turned off www R eeeeeee L H B B S 1...
- Q A conducting ring of radius r and resistance R is moving downward with a constant velocity v Let due to a fixed magnet axial magnetic field varies only with the...
- Q A square wire loop of side length L is made out of a uniform thin conducting wire The resistance of the loop is R The loop is placed in the...
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