Physics question and answers for December 24, 2023
- Q To identical conducting spheres carrying dill Charges attract each other with a force F when placed in air medium at a distance d apart The spheres are brought into contact...
- Q b 2 05 V d 6 05 V c 4 05 V 97 3 V potentiometer used for the determination of internal resistance of a 2 4 V cell The...
- Q Given circuit represents an ammeter Resistance of each Galvanometer coil is 1000 and shows maximum deflection at 10mA current Range of ammeter is A 22 mA C 28 mA 100002...
- Q 96 In a potentiometer a cell of emf 1 5 V gives a balanced point at 32 cm length of the wire If the cell is replaced by another cell...
- Q c 40 cm d 20 cm 2 A wire connected in the left gap of a meter bridge balance a 10 2 resistance in the right gap to a point...
- Q 95 AB is a wire of potentiometer with the increase in the value of resistance R the shift in the balance point will be a towards B b towards A...
- Q In a common emitter transistor amplifier using output resistance of 5000 2 and input resistance of 2000 2 if the peak value of input signal voltage is 10 mV and...
- Q A battery of emf E is connected across a conductor as shown as one observe from A to B then B MEDA A B C Current remains same Drift velocity...
- Q a very long time All circuit elements are considered to be ideal Which one of the following statements best describes the behavior of the current through the switch S once...
- Q c 1 3 A d I A 5 A circuit has a section ABC as shown in figure If the potentials at points A B and C are V V...
- Q Calculate the current in a wire if 700 C of charge passes through it in 15 minutes Electric potential at a point in an electric field is 0 5 V...
- Q 86 Four resistances of 352 352 352 and 4 52 respectively are used to form a Wheatstone bridge The 42 resistance is short circuited with a resistance R in order...
- Q Consider the circuit shown below Is is a constant current source meaning that no matter what device is connected between points A and B the current provided by the constant...
- Q d 7 A IN In the circuit shown current flowing through 25 V cell is a 7 2 A b 10 A c 12 A d 14 2 A 10...
- Q c 0 031 A In the circuit shown the value of currents I I and l are 2A2A a 3 A A b A 3 A A c 5 A...
- Q Cument Electricity 79A7V battery with internal resistance and a 3 V battery with internal resistance 192 are connected to a 10 2 resistor as shown in figure the current in...
- Q 69 In a circuit a cell with internal resistance r is connected to an external resistance R The condition for the maximum current that drawn from the cell is a...
- Q 5 Two cells and E connected in opposition to each other as shown in figure The cell is of emf 9 V and internal resistance 3 2 the cell e...
- Q 58 Three resistors 2 52 42 and 5 2 are combined in parallel This combination is connected to a battery of emf 20 V and negligible internal resistance The total...
- Q 55 A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm The resistance between its two diametrically opposite points A and...
- Q c V d R 65 A battery of emf 15 V and internal resistance of 42 is connected to a resistor If the current in the circuit is 2 A...
- Q c 2 5 52 66 The battery of a trunk has an emf of 24 V If the internal resistance of the battery is 0 8 2 What is the...
- Q 62 In the circuit shown in the given figure the resistances R and R are respectively R 0 5 A 69 V a 142 and 40 92 c 40 92...
- Q c 652 56 A and B are two points on a uniform ring of resistance 15 2 The ZAOB 45 The equivalent resistance between A and B is a 1...
- Q Cument Electricity 52 resistors each of resistance R first combine to give maximum effective resistance and then combine to give minimum effective resistance The ratio of the maximum to minimum...
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