Physics question and answers for January 02, 2024
- Q An uncharged capacitor of capacitance C 10 uF and an inductor coil of inductance I 2 mH are connected with two identical resistances R 20 02 each an ideal voltmete...
- Q In the circuit shown the current through the 4 22 resistor is 1 A when the points P and M are connected to a d c voltage source The potential...
- Q A battery of e m f 2 volts and internal resistance 0 1 is being charged with a current of 5 A Calculate the potential difference between the terminals of...
- Q A cell in the secondary circuit gives null deflection for 2 5 m length of a potentiometer having 10 m length of wire If the length of the potentiometer wire...
- Q 1 1 5 2 2 50 3 6 67 02 4 200 Q In the given circuit the current through the Zener 30 diode is 20V IkQ wwww 12V 2kQ...
- Q Two uncharged identical capacitors A and B each of capacitance C and an inductor of inductance L are arranged as shown in the adjacent figure At t 0 the swi...
- Q 3 Iron box is a heating device a Which substance is used to make heating coil b A 1000W Iron box works at its marked power What amount of heat...
- Q f percentage change in radius of a conductor is 2 keeping volume constant then percentage change in ohmic resistance will be O 2 O 4 O 6 8
- Q Given that there is a square face cuboid whose length is 10 cm breadth is 5 cm What will be the ohmic resistance between square face if resistivity 50 10...
- Q In the arrangements of four bulbs as shown in figure total power consumption will be 150V 100W 150V 100W B 200 W 350 W 500 W 200V 200W 200V 100W...
- Q Figure shows a circuit in steady state power consumed by battery is 30W O charge on capacitor C is 40 C O current in resistor R is 2A R www...
- Q A conductor with rectangular cross section has dimensions a x 2a 4a as shown in figure If the resistance across AB is R across CD is R and across EF...
- Q a sphere of radius 5 cm has a charge of 31 41 micro coulomb calculate the surface charge density of charge two similar spheres are suspended by strings of equal...
- Q The equivalent resistance between A and B is C 4R 2R R A O Bo wwwwwww R R 2R 2R www 2R www R
- Q A uniform wire of total resistance 21 ohm is bent in shape of an equilateral triangle The value of equivalent resistance between any two vertices of the triangle is 020...
- Q Choose the correct statements among the followings A An ammeter should have small resistance B An ammeter should have large resistance C A voltmeter should have small resistance D A...
- Q Two batteries V and V are connected 1 2 to three resistors as shown below If V 2V and V 1 2 I Mw OV the current I V 3...
- Q 4 In a marriage hall there are 15 bulbs of 45 W 40 15 bulbs of 100 W 15 small fans of 10 W and 2 heaters of 1 kW...
- Q 1 A parallel combination of following cells is connected to an external load If all the cells are connected in same polarity then the value of resistance of the external...
- Q 1 60 V 2 30 V 3 20 V 4 40 V A battery of internal resistance 40 is connected 38 to the network of the resistance as shown in...
- Q na parallel combination of resistors the equivalent resistance is A Smaller than the smallest one C Greater than the smallest one E Equal or smaller than the smallest one B...
- Q A piece of copper and another of germanium are cooled from room temperature to 80 K The resistance of A each of them increases B each of them decreases C...
- Q Phy Section B This section contains 15 SINGLE CORRECT TYPF questions Out of these 15 questions Read More Two cells of emf 2 V and 4 V respectively and internal...
- Q A magnet is moved in the direction indicated by an arrow between two coils AB and CD as shown in fig The direction of the induced current in each coil...
- Q 4 27 6 1 A ring is made of a wire having a 23 resistance R 12 2 Find the points A and B as shown in the figure at...
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