Physics question and answers for January 06, 2024
- Q An inductor of inductance 2 0 mH is connected across a charged capacitor of capacitance 5 F and the resulting L C circuit is set oscillating at its natural frequency...
- Q Potentiometer wire is 10 m long and has a resistance of 2 Q m It is connected in series with the battery of EMF 3 V and resistance of 100...
- Q A current of 200 mA flows in a silver wire of radius 0 8 mm Find The drift speed of the electrons The electric field within the wire The free...
- Q Four resisters P Q R and S having resistance 30 30 40 and 602 respectively arrange to form a Wheatstone s bridge value of resistance with which S must be...
- Q If the circuit implemented by you is ON for 15 minutes with following componen connected in parallel What is the total cost of using them at Rs 3 45 per...
- Q The function of shunt in ammeter is O O O a to increase the resistance of galvanometer b to allow minimum current through the galvanometer c to reduce the resistance...
- Q respectively the specific conductivity varies as o x 0 where x is distance along the axis of cylinder from one end A l VX I If the potential drops along...
- Q Three 10 resistors are connected from point A to point X from point X to point Y and from point Y to point B A 20 V battery with an...
- Q 4 decreases by 1 103 If a battery of fixed emf e and internal resistance r is connected to a variable external resistance R then the condition for which the...
- Q 4 Depends upon the voltage of battery 76 The effective resistance between A and B is R 3 A B R 2 www R www R 2 R R 2...
- Q Aakash Institute 54 Two bulbs A and B are connected in series across a 250V supply Identify the correct statement 220V 100W 110V 60W A B 250V 1 None of...
- Q 3 4 4 2R 7 Colour code in a resistor is given by bands of colours orange yellow brown The value of resistance is 1 34 x 102 10 3...
- Q The emf of a cell is and its internal resistance is r Its terminals are connected to resistance Reto The potential difference between the terminal is for R 402 and...
- Q 4 3 4 58 The n rows each containing m cells in series are joined in parrallel Maximum current is taken from this combination across an external resistance of 352...
- Q A cell emf 3V and internal resistance 0 750 is connected to a nonlinear conductor whose V I g raph is shown in figure obtain graphically the current drawn from...
- Q 60 The potential difference between A and B in the following circuit is 40 www 1 1 4 V 3 2 2 V 502 www 402 wwwww A B wwww...
- Q B A battery of internal resistance 42 is connected to the network of resistances as shown in figure In order that maximum power is delivered to the network the value...
- Q intensity 55 A current of 5 A is passing through a metallic wire of cross sectional area 4 10 m If the density of the charge carriers in the wire...
- Q V 3 tan 4 tan 24 In the circuit shown the value of resistance R if the total voltage is in phase with the total current is nearly 2092 wwww...
- Q it and coefficient of thermal conductivity K and ternating blocks of length respectively as shown in figure The cross sectional coefficient of thermal conductivity of the wall between area of...
- Q 35 For maximum power developed in the circuit the value of the internal resistance r must be if all the cells are identical each of emf E and the internal...
- Q 3 0 3 4 0 4 24 Four cells each of emf E and internal resistance r are connected in series to form a loop ABCD Find the potential difference...
- Q 194 A battery of internal resistance 4 2 is connected to the network of resistance as shown in the figure 4 a Q 9 E 39 R www S2 R...
- Q Current Electricity 26 In the given circuit shown in figure the potentia difference between battery 2 will be 1 5 5 volt 3 3 volt E 10V E 4V www...
- Q 2 10 2 4 2 5 2 of resistance R decreases h shown in the figure then uced in the coil is 3 1x F 4 Ixr 13 A wire...
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