Test 10 Code A 26 There are four identical metal plates each
Last updated: 6/13/2023
Test 10 Code A 26 There are four identical metal plates each of area A The plates are placed at equal distance d A successively as shown in figure If 2 F and source of emf 10 V is connected between x and y then charge on plate x will be A 1 0 4 V 3 0 2 V B 1 30 C 2 10 C 3 20 C 4 20 C 27 The current flowing in the given circuit is 0 2 A The potential difference between the points A and B will be 392 1 3 202 L iB 4n 6 V 3 10 4 V 2 2 V 4 1 V 28 Current is carried in a wire of length L If the wire is turned into a circular coil The maximum magnitude of torque acting on it when placed in a given uniform magnetic field B will be LiB 2 4 10 V LIB 2 LPB 4x B Medica 29 The relation between voltage sensitivity and the current sensitivity of a moving coil galvanometer is Given G is the resistance of the galvanometer 1 Go 1 3 6 0 G 30 If a coil of 50 turns area 5 0 cm is suddenly removed from magnetic field It is observed that charge of 5 x 10 C flows into the coil If the resistance of the coil is 100 2 the magnetic flux density in Wb m is 31 1 1 3 2 A transformer is used to light 150 W 30 V lamp from a 240 V mains The current in the main cable is 0 8 ampere The efficiency of the transformer is nearly 1 78 3 88 32 In the circuit shown there is a box containing a resistance R and inductance L and a capacitor of capacitance C connected in series to an alternating source of angular frequency 4 rad s Box has power factor and the circuit has overall power factor 1 The impedance of the box 3 is 34 1 3 3 4 2C 4 2C 33 Let P and E denotes the linear momentum and energy of photon If the wavelength is decreased 1 Both P and E decrease 2 Both P and E increase 3 P increase and E decrease 4 P decrease and E increase The number of photons emitted per second by monochromatic light of Online Mock Test Series for NEET 2020 2 3 4 4 3 60 W source of wavelength 5000 A is 1 1 5 x 1020 3 3 5 1020 35 The ratio of magnetic dipole moment to angular momentum in a hydrogen like atom is 2 48 4 92 3m 2 1 5 x 10 18 4 3 5 10 18 2 4 4m 2m