Physics question and answers for January 04, 2024
- Q The network shown in the figure consists of five resistors of resistances P Q R Find the equivalent resistance between A and B Use this technique to find th Chat...
- Q Identify the incorrect statement from the following For accurate easurements a potentiometer wire must a have a uniform cross section b be homogeneous c have high specific resistance d have...
- Q Select one a Ved IsRs ww Vs Select one a Ved 15R5 O b Vs Vdb R hoose the wrong statement www R www b www R2
- Q A 240 V dc shunt motor takes 10A and 30A at no load and full load respectively It is having armature resistance of 0 4 ohm and field resistance of...
- Q Potential difference between point A and point B is 892 B 692 www www 1 Question Type Single Correct Type 20 7 V 27 V 40 V 4 52 A...
- Q A pole induction motor is working on three phase 50 Hz AC supply at no load and at full load When it runs at no load it has slip of...
- Q Multiple Choice Select 1 out of 4 options for the question below 10 V potential difference is applied across a resistor of 2 kQ The current through the resistor is...
- Q A conical shaped wire of uniform resistivity has ratio of radius of end cross section 1 3 Resistance of wire is 80 Section PQ divides the wire into two equal...
- Q A conductor with rectangular cross section having dimensions 2a x 4a x 5a as shown in figure If the resistance across AB is R across CD is R and across...
- Q A meter bridge is in its balanced state The meter bridge wire has a resistance 0 1 ohm cm The current drawn from the battery of negligible resistance is 1...
- Q 1 t 5 14 A periodic voltage V varies with time t as shown in the figure 5 249 T is the time period The RMS value of the voltage...
- Q Design a low pass filter with the following specifications A corner frequency of fc 100 Hz For an input of V 1 V the output should be V 3 V...
- Q A 3 phase 50 Hz 132 kV overhead line has conductors placed in a horizonta plane 4 m apart Conductor diameter is 2 cm If the line length is 100...
- Q Which of the following is the unit of inductive reactance Ohm Ohm sec Q s min s Ohm sec Q s
- Q In the figure R R 10 19 02 and the ideal battery has emf 12 10 V a What value of R3 maximizes the rate at which the battery supplies...
- Q In a series LCR circuit L 10 H C 160 F and R 80 Q The value of angular frequencies for which the power is half of its maximum value...
- Q W r t LC oscillation the force constant Kin mechanical system is analogous to which quantity in electric system Reciprocal of capacitance O Inductance min s O Current
- Q Eleven resistors connected in network as shown in figure The equivalent resistance between A and B is B 1 20 2 302 3 19 4 50 Med 25 2 602...
- Q Heat is flowing steadily from A to B Temperature T at point P at distance x from A is such that A P A B C D X T decreases...
- Q In a potentiometer experiment when terminals of cell are connected at distance of 72 cm on the wire then no current flow through it When 10 Q shunt resistance is...
- Q In potentiometer two cells are connected in such a way that the first time they support each other and second time they oppose each other They are balanced on the...
- Q 3 A battery of 3 0 V is connected to a resistor dissipating 0 5 W of power If the terminal voltage of the battery is 2 5 V the...
- Q 0 A cell of emf 1 5 V having a finite internal resistance is connected to a load resistance of 202 For maximum power transfer the internal resistance of the...
- Q 9 Assertion Electric appliances with metallic body e g heaters presses etc have three pin connections whereas an electric bulb has a two pin connection Reason Three pin connections reduce...
- Q Calculate total current in the circuit by applying kirchhoff s voltage law 45 V 2 1 R m 5 KQ 7 5 KQ MA 10 kQ 3 F 4
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