Physics question and answers for December 28, 2023
- Q 27 In the following figure the equivalent resistance of 27 Pfaf the circuit between the points P and Sis 592 20 S P Q 152 802 502 502 502 10...
- Q In the shown infinite ladder network an ideal battery of EMF E 4 17 1 volt is applied Choose the correct options 1922 1 EI 2023 12 1 2 1...
- Q 1 Given below are three circuits with their time constants R 1 2 sec 3 6 sec then find time constant in second of circuit shown below C R 2...
- Q Resistivity of the rod of length 1 1 m varies with x as 1 22 m A point C is at a distance from end A of 21 A 2...
- Q Ques 15 SMCQ The voltmeter has some internal resistance and reads 18 V for the circuit given 240 A ww 30V Current dissipated by the battery is 0 25 A...
- Q Galvanometer G shows zero deflection in the given circuit Find the value of resistance R if batteries have negligible internal resistance 4V A B R 5000 2500 50002 12V
- Q In the circuit given below R 20 Find 12 and i3 using mesh analysis 12 V 11 1 www 292 iz 3 A 492 iz The value of it in...
- Q Read the paragraph carefully and select the correct choice in the questions given below A battery consists of ten identical dry cells in series each of electromotive force 12 V...
- Q the circuit shown the ammeter reading is 0 5 amp but when two resistors from the group of identical resistors connected parallel are removed the ammeter reading changes by How...
- Q A charge of 2 C experience electric force of 2000 N when kept in uniform electric field What is potential difference between two points separated by a distance of 1...
- Q Find the potential difference between the points a and b If the points a and b are joined by a resistance of 5 2 calculate the current through this resistance...
- Q 2 A resistance wire connected in the left gap of a metre bridge balances a 1002 resistance in the right gap at a point which divides the bridge wire in...
- Q In meter bridge experiment as shown null point is obtained at P where AP 60 0 cm Shift in null point when resistance X is shunted by 24 Q resistance...
- Q 9 Electrical energy costs 25 paisa per kilowatt hour Assuming that no energy is wasted the cost of heating 4 6 kg of water from 25 C to the boiling...
- Q Q 12 75 A galvanometer of resistance 10 Q2 breaks down if the current through it exceeds 0 1 A To convert it into an ammeter that can measure current...
- Q Q 21 75 Both batteries and the ammeter in the given circuit are ideal and Ris a variable resistance The value of R in Ohms for which the ammeter shows...
- Q A conducting solid sphere is joined electrical circuit as shown in figure 2R 1 V Va 3 V V R 2 R 2 www Two imaginary points A and B...
- Q Q 7 75 In the circuit shown the potentiometer wire PQ has length 120 cm and total resistance 10 22 The main cell E has emf 24 V and internal...
- Q R and R such that R R are connected in series across an ideal battery the rate of heat dissipation is When the resistances are connected in parallel across the...
- Q Q 17 75 A non ideal battery of internal resistance 12 is connected across a wire of resistance 20 2 The current through the battery is 1 Now the wire...
- Q Is applied across a metallic conductor Consider the following statements 1 at any instant the velocity of all electrons in the conductor is approximately equal to the drift velocity 11...
- Q The magnetic field at the centre of dotted circle i the arrangement shown is L 1 Hol Hol 4R 2 R Hol R R R O R 2 Hol 4R
- Q and E of emf 12 V each and internal resistance 12 each are connected in series across a 10 Q resistance such that the positive terminal o E is connected...
- Q Q 2 75 In the metre bridge circuit shown AE is a uniform wire of length 100 cm and two resistances R and R are connected in the gaps as...
- Q The figure shows a circular wire loop of radius 2 m carrying current 1 A placed in a uniform magnetic field B 4 T The tension in the wire will...
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