Physics question and answers for December 20, 2023
- Q Consider the following circuit and select the correct alterative s 402 www 2V www 602 A 652 402 www 40 www B A Current through each cell is A B...
- Q Q4 Find the current flowing through each cell in the circuit shown in Fig Also calculate the potential difference across the terminals of each cell ir AQ 6 411 AT...
- Q 4 0 5 x 10 19 A There are 8 4 x 1022 free electrons per cm in copper The current in the wire is 0 21 A e 1...
- Q 107 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 Lower...
- Q An ammeter of resistance 0 80 2 can measure current upto 1 0 A i What must be the value of shunt resistance to enable the ammeter to measure current...
- Q Q 101 Consider the double cube resistor network shown in Fig Each side of both cubes has resistance R and each of the wires joining the vertices of the two...
- Q The four arms of a Wheatstone bridge have resistances as shown in the figure A galvanometer of 15 resistance is connected across BD Calculate the current through the galvanometer when...
- Q Three 200 Q resistors are connected as shown in figure The maximum power that can be dissipated in any one of the resistor is 50 W Find the total power...
- Q 1 Phase impedance of a 3 phase 415V 60Hz star connected load is 120 Find the line current drawn by the load 2 Phase current of a 3 phase 415V...
- Q Fourteen identical resistors each of resistance R are connected as shown in the figure The equivalent resistance between the points A and B is G a R A D b...
- Q 55 Two conducting plates A and B are placed parallel to each other A is given a charge Q and B a charge Q The surface charge density at the...
- Q e given circuit diagram switch was connected to position 1 for long time At t 0 switch is shifted from position 1 to position 2 Find the final charge on...
- Q 2 Consider the following statements and select the correct statement s Current is the time rate of flow of charge through any cross section For a given conductor current does...
- Q Four identical cells each having emf E and internal resistance r are connected in series to form a loop ABCD as shown in figure Find potential difference across AB and...
- Q As shown in the figure a cylindrical conductor has a length 2L It has inner and outer radius 1 and 12 Its Resistivity is p Determine the equivalent resistance of...
- Q galvanometer and the deflection produced is 30 If three such cells are connected in series and the combination is connected to the same galvanometer the deflection will be then find...
- Q 2 180 An increase in equivalent conductance of a weak electrolyte with dilution is mainly due to Increase in number of ions only Increase in ionic mobility of ions only...
- Q Which of the following graphs represents the correct variation of inductive reactance XL with frequency y of ac source O X LL
- Q In the figure 107 V R 8 38 Q R 21 20 R3 35 7 0 and L 2 56 H Immediately after switch S is closed what are a...
- Q A conductor with rectangular cross section has dimensions ax 2a x 4a as shown in figure Resistance across AB is x across C X Then the value of is fyis...
- Q till it reaches the centre of 5 12 A circuit element is placed in a closed box At time t 0 constant current generator supplying a current of 1A is...
- Q 2 A steady current flows in a metallic conductor of non uniform cross section The quantit along the length of the conductor is are 1 current electric field and drift...
- Q An npn transistor operates as a common emitter amplifier with a power gain of 106 The input circuit resistance is 100 2 and the output load resistance is 10 kn...
- Q 14 Potential difference across AB i e VA VB is A 12 V 22 1 10 V 3 6 V www B 2 8 V 4 Zero 6 V 42
- Q 4 An electrical appliance of power 1 5 kW is used for 4 hour each day Find a the electrical energy consumed in kWh each day b The electrical energy...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!