Physics question and answers for December 19, 2023
- Q the on off switch when it is on as shown 1 Point 0 32 A 0 38 A 0 23 A 11 ohm CIFT WID 5 ohm 12 ohm II...
- Q What is the total equivalent resistance of this circuit 1 Point 2 6V 60 Q 48 Q2 15 Q 4 2V W 3 20052 M 1 0 25A Vp 120...
- Q efine electric current Is it a scalar or a vector Mention its S I unit
- Q For the following circuit the resistances are R 220 R 360 N and the total resistance for the circuit is 436 Calculate the resistance of R 1 Point R H...
- Q In the circuit R R R 250 and R 300 2 12 0 V and V 3 0 V find R1 If Vsource 1 Point V source 20 Q 232...
- Q 7 A square aluminium rod is Im long and 5mm on edge What must be the radius of another aluminium ro length is I m and which has the same...
- Q For the following circuit R 75 2 R 125 2 R3 1052 R4 150 and V 15 V What is V source R V R H I H 55 V...
- Q 55 Find the potent 16 3Q www 2 A 1 48 volts ms 05 3 4 volts 48 Q www 48 Q www 24 22 wwww 62 www 40 www...
- Q 24 Each of the resistances shown in figure 45 E2 has a value of 20 2 Find the equivalent resistance between A and B Does it depend on whether the...
- Q www 12 V 1 IV 2 2 V 3 3 V 4 4 V In the circuit given below the ammeter reading is zero What is the value of resistance...
- Q 51 Eight resistances each of 4 ohm are connected in the circuit as shown in figure The equivalent resistance between A and B is C a c 13 a b...
- Q 58 Which of the following graph represents the variation of resistivity p with temperature T for copper T 1 2 3 4 P P P P T T T
- Q A and B are two conductors carrying a current i in the same direction x and y are two electron beams moving in the same direction A B X y...
- Q 3 16 Two wires A and B of the same material having radii in the ratio 1 2 and carry currents in the ratio 4 1 0 The ratio of...
- Q 4 D 25 In the given circuit two cells of different internal resistance 6 2 and 22 but same emf are connected in series with external resistance R If potential...
- Q 16 The measurement of voltmeter in the following circuit is 6 V 40 Q 60 40 Q
- Q 30 Two resistors of resistances R and R R R are connected in parallel For equivalent resistance R the correct statement is b R R R a R R R...
- Q 2006 After the capacitor gets fully charged S is opened and S is closed so that the inductor is connected in series with the capacitor Then A at t 0...
- Q 4 1980 The temperature coefficient of resistance of a wire is 0 00125 per C At 300 K its resistance is 192 This resistance of the wire will be 20...
- Q The resistance of a wire is 5 ohm at 50 C and 6 ohm at 100 C The resistance of the wire at 0 C will be 2007 1 2...
- Q For current entering at A the electric field at a distance r from A is 1 pl 8 2 3 pl 2 r 4 pl 4 r
- Q 9 In the circuit shown in the figure no current flows through the 802 resistor then the potential difference between points A and B VA VB is 94 20 A...
- Q 6 What will be the potential gradient umbet specific resistance of a potentiometer wire is 107 ohm meter and current in the primary circuit of a potentiometer wire is 0...
- Q and equal internal resistance rare given A resistor of resistance R is connected in all four situations a capacitor of capacitance C is connected in last two situations as shown...
- Q A wire of uniform cross section A length and resistance R is bent into a complete circle the resistance between any two of diametrically opposite points will be R R...
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