Physics question and answers for December 17, 2023
- Q 44 45 Resistors R and R have an equivalent resistance of 6 ohms when connected in the circuit shown below The resistance of R could be in 2 1 1...
- Q While connecting 6 cells in a battery in series in a tape recorder by mistake one cell is connected with reverse polarity If the effective resistance of load is 24...
- Q Each of the resistors shown if fig has resistance R Find the equivalent resistance between A and B www b www e 1 a ww 7R 4 d A B...
- Q 18 carries a current i is 1 2 Hoi 2R Moi 2TR 24 3 Moi 4 1 2 4TR H i T ion at the point O if the wir...
- Q In the circuit shown the equivalent resistance between A and B is AR 1 R 3 R 3 R R www R ming 34 R www 2 2R 5 4...
- Q After how much time energy becomes e maximum value in a R L circuit where R 25 L 2mH 1 1 ms 2 0 5 ms 0 5 ms 3...
- Q A network of resistors is connected to a 16 V battery with internal resistance of 192 as shown in Fig a Compute the equivalent resistance of the network b Obtain...
- Q A potential difference of 2V is applied between the opposite faces of a Ge crystal plate of area 1 cm and thickness 0 5 mm If the concentration of electrons...
- Q oh 4 An electric current of 16 A exists in a metal wire of cross section 10 m and length Im Assumin free electron per atom the drift speed of...
- Q The potential difference applied to an X ray tube is 5 kV and the current through it is 3 2 mA Then the number of electrons striking the target per...
- Q or the circuit shown in figure calculate a The current in the 2 2 resistor and p The potential difference between points a and b Solve using Superposition method 12...
- Q In the given circuit current flowing through 2 92 resistance is 10 VT 1 5 A 2 2 5 A 3 Zero 192 292 392 www 69
- Q A flat coil of 500 turns each of area 50 cm rotates in a uniform magnetic field of 0 14 Wb m about an axis normal to the field at...
- Q 13 An electric dipole is formed by two equal and opposite charges q with separation d The charges the same mass m It is kept in a uniform electric field...
- Q D each of them decreases A wire of resistance R is bent into a square an equilateral triangle and a circle Effective resistance are determined across the diagonal of the...
- Q Four cells and six resistance are connected as shown in the figure Answer the following questions 1 2 A 30 9V 9V CO wwwwww 120 80 E 12V 602 Let...
- Q 22 2 ent a c r 3 b 3r Jamni be d 2 3r 158 Calculate the equivalent resistance between A and B 3Q 39 www A 322 www www...
- Q A storage battery is connected to a charger for charging with a voltage of 12 5 Volts The internal resistance of the storage battery is 1 2 When the charging...
- Q nd the equivalent resistance between A and B in he following circuit A 22 ww ww 492 892 692 ww 10 22 B
- Q In the circuit shown in the given figure the resistances R and R are respectively R ww 69 V a 14 92 and 40 2 c 40 2 and 30...
- Q 2 An electric heater is rated 1 5 kW 220 V a Find the safe current which can flow through it b Can fuse of current rating 5 A be...
- Q The network shown in figure is part of a complete circuit If at a certain instant the current I is 5A and is decreasing at a rate of 103 A...
- Q 9 A B and C are voltmeters of resistance R 1 5 R and 3R respectively as shown in the figure When some potential difference is applied between X and...
- Q When two cells of emfs and 2 are connected in series so as to assist each other their balancing length on a potentiometer is found to be 2 7 m...
- Q 14 Twelve equal resistors each R S2 are connected to form the edges of a cube Find the equivalent resis tance of the network A B ww D D C...
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