Physics question and answers for December 31, 2023
- Q Current Electricity 63 A battery of 12 V and an internal resistance of 0 8 9 is connected to 3 resistors as shown in the figure The current in the...
- Q as shown in the figure the potential difference across the resistance 2 R is the cell has emf E volt and no internal resistance 4 R www www R www...
- Q 74 An unknown resistance R is connected in series with resistance 109 When the combination is connected to left gap of a metre bridge and R is connected to right...
- Q 4R 3 62 Two batteries of emf 4 V and 8 V having the internal resistance of 1 92 and 2 2 respectively are connected in circuit with a resistance...
- Q tour times the original value Masses of three wires of copper are in the ratio of 1 3 5 and their lengths are in the rat of 5 3 1...
- Q Multiple Choice Questions I A constant current I flows in a strip line conductor resistivity of which resistivities at cross sections A and B are PA and PB find excess...
- Q In the circuit as shown in the figure the value of resistance Ris ay my t 1 A 25 VT R www OPTIONS CLEAR SELECTION A 220 B 210 C...
- Q A parallel combination of following cells is to an external load If all the cells are connected connected in same polarity then the value of resistance of the external load...
- Q In a gas discharge tube if 1 25 into 10 to the power 16 electrons are flowing per second from left to right and 1 25 into 10 to the...
- Q Sir in a conductor with a battery connected to it would have electric field within it which would help electrons to accelerate than why we say they have constant drift...
- Q Kq surface of shell is 2R2 before closing the switch S The electric potential at the centre C due to charges on the outer surface of shell Kq R before...
- Q Two cells each of emf E but internal resistance f and r are connected as shown in figure If potential difference across second cell is zero then value of Ris...
- Q 150 kn and Problem 8 Consider the circuit of Fig 14 6 2 with Vs 100 V R R2 50 kn Suppose the voltage across R is measured by using...
- Q 3 remain constant 4 become zero Masses of 3 wires of same metal are in the ratio 22 1 2 3 and their lengths are in the ratio 3 2...
- Q 72 What is the current through the resistor R in the circuit given below E 10V r 122 H A 2 A E R3 R ww R 5A 3A P...
- Q Problem 6 The deflection system in a CRT employs a magnetic field of 10 4 T acting over an axial length of 3 cm and is placed 20 cm from...
- Q When Shunt of 402 is attached to a galvanometer 7 the deflection in the galvanometer is reduced to 1 5th If an additional shunt of 20 is also connected the...
- Q Find potential at point X in given circuit 2 3 10 V 10 V 1V 9v Correct Answer 2 Status unattempted Add to Bookmark List 202 40 40 302 IN...
- Q na certain series LCR A C circuit it is found that X 2Xc and phase difference between the current and voltage is 4 how capacitance is made 1 4th the...
- Q Rated powers of bulbs are shown in the figure The 24 W and 48 W bulbs have a tolerance that they can work without blowing till they consumes 10 more...
- Q snown connected between points A and B then the current in this wire will 3Q www www 19 B A V 292 ww 392 1 Flow from A to B...
- Q Example 59 Find in the given network of resistors the equivalent resistance between the points A and B between A and D and between A and C IIT Solution The...
- Q In the adjoining circuit diagram each resistance 6 is of 10 2 The current in the arm AD will be 2i 1 2 1 3 4i 5 D 3i When...
- Q connected connected to an external load If all the cells are in same polarity then the value of resistance of the external load such that the power transfer to the...
- Q Figure shows a set of equipotential surface An electron is being moved from one point to other 40 V 20 V 30 V B 144 0 A Work done by...
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