In the circuit below, what is the value of the current I3? A 25 2 F ○ 0.52 A ○ 0.25 A ○ 0.19 A ○ 0.71 A O loop 1 In 가 30 V 2 17 E 20 V 15 Q loop 2 10 2 {K 10 V C D

please answer

When the switch is open, the potential difference across the terminals of a battery is 20 0.0V. When a current of 2.0A flows, the potential difference across the battery drop to 16V. If this battery consists of two identical cells in series, what is the electromotive force of each cell? 8.0V 10.0V 16.0V 20.0V

For each of the circuits below what is the current through each resistor? (a) (b) (c) ww R1 50 Ω BAT1 9 V www R1 50 Ω BAT1 12 V пи www R2 70Q2 R2 70 Ω BAT2 17 V R3 100 £2 (d) www www R3 100 Ω R1 50 Ω ww R1 50 Ω R2 70 Ω BAT1 12 V BAT1 12 V wwww R2 70 Ω BAT2 17 V R3 100 Ω +

Please show all steps

The power consumed in the circuit is 63W. Find the value of R

For which combination for the length L and radius r of a wire will the resistance have the smallest value? OA. L= 0.40 m and r = 0.2 m O B. L = 0.25 m and r = 0.08 m ocL= 0.80 m and r = 0.1 m Op.L = 0.50 m and r = 0.03 m O E L= 0.10 m and r = 0.05 m

Resistance R (Ω)   Current I (A) 10   4 20   2 30   1.33 40   1 50   0.82 60   0.67 Plot a graph of I 1/R.

Compute for the current across the circuit USING KIRCHHOFF'S LAW

*33 O In Fig. 27-44, the current in resistance 6 is i, = 1.40 A and the resistances are R1 = R2 = R3 = 2.00 N, R, = 16.0N, R3 = 8.00 N, and R, = 4.00 2. What is the emf of the ideal battery? %3D R R2 R4 16 R6 Figure 27-44 Problem 33.