Physics question and answers for December 22, 2023
- Q 12 cells each having the same emf are connected in series and are kept in a closed box Some of the cells are wrongly connected This battery is connected in...
- Q 19 A network of resistances is connected to a 16V battery with internal resistance of 102 as shown in 4102 402 16V HH The equivalent the voltage drops V B...
- Q Question Fuse Miniature Circuit Breaker MCB and Earthing System are the important protection systems used in House wiring The process of transferring the immediate discharge of the electrical energy directly...
- Q 3 18 The resistance Re of the coil of a pivoted coil galvanometer is 9 3652 and a current of 0 0224 A causes it to deflected full scale We...
- Q 3 2 For the given circuit shown in figure 3 373 in the steady state condition charge on the capacitor is 16 C If the battery is removed and the...
- Q www A B Circular Wire Loop 33 In the circuit drawn above the switch S is initially open and the capacitor C is charged with the polarity indicated The switch...
- Q Page 3 RE BOARD EXAM e 3 i The potential of point Bis a 16 V b 24 V c 32 V d 36 V ii If a galvanometer is...
- Q If 2 bulbs rated 2 5 W 110 V and 100 W 110 V are connected in series to a 220 V supply then A 2 5 W bulb will...
- Q A 900pF capacitor is charged by 100V battery The capacitor is disconnected from the battery and connected to another capacitor of 800 pF capacitor What is the electrostatic energy stored...
- Q 33 In each of the following circuits what is the equivalent resistance between A and B All resistors have same value i e R a A wwwww c A e...
- Q When a galvanometer is shunted with a 402 resistance the deflection is reduced to one fifth If the galvanometer is further shunted with a 202 wire the further reduction in...
- Q 24 When two resistances are connected in parallel then the equivalent resistance is When one of the resistance is removed then the effective resistance is 252 The resistance of the...
- Q 3 A galvanometer of resistance 20 2 gives a full scale deflection when a current of 0 04 A is passed through it It is desired to convert it into...
- Q 3 17 A moving coil galvanometer of resistance 2002 gives a full scale deflection when a current of 1mA is passed through it It is to be converted into an...
- Q n a circuit containing 16 nodes arranged in circular fashion a node is connected to every other node by a resistor of resistance R Then equivalent resistance between two consecutive...
- Q In the following network the voltage magnitudes at all buses are equal to 1 pu the voltage phase angles are very small and the line resistances are negligible All the...
- Q In a closed circuit to maintain a steady current an external agency moves electrical charge from 1 Lower to higher potential energy 2 Higher to lower potential energy 3 Lower...
- Q twork of resistance is constructed with R and R as shown in the figure The potential at the point 1 2 N are V V2VN respectively each having a potential...
- Q In figure circuit section AB absorbs energy at the rate of 5 0W when a current i 1 0 A passes through it in the indicated direction A R 2...
- Q 203 The terminals of a 18 V battery with an internal resistance of 24 22 are connected to a circular wire of resistance 24 at two points distant at one...
- Q Capacitor of given system is C Find the capacitance if dielectric is removed A is the area of plate K dielectric constant A 43 C3 ectric C B C D...
- Q 287 To the potentiometer wire of length L and 10 resistance a battery of emf 2 5 volts and a resistance R are connected in series If a potential difference...
- Q The resistance of a bulb filament is 10002 at a temperature at 100 C If its temperature coefficient of resistance be 0 005 C then its resistance will become 2002...
- Q A total resistance of 2 is produced by combining an unknown resistor R with a 3 resist What is the value of R and how it is connected to 32...
- Q Consider the following combination of cells A and B which are 6V Cell A 1 12 V 28 To obtain the current through X the circuit can be consider to...
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