A cell e.m.f. 2 volt and negligible internal resistance is connected to potentiometer wire of length 4 m and resistance 25 to form a close circuit. Find the potential gradient along the wire.
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Q: 1. Shs 10 , R2 Ry R3 RA 3.
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- Draw a circuit with a battery and three resistors. R1 and R 2 are in series with eachother and the battery. R3 is in parallel with R2 . Calculate the equivalent resistance of thecircuit if R 1 = 1k, R 2 = 2k, and R 3 = 3k.need help with this questionA5 ohm and 8.0 ohm resistor are wired in parallel. What is the total resistance? A circuit has a resistance of 6.5 ohms and draws a current of 6.2 A what is the potential difference in the circuit? Atoaster has a resistance of 13.6 ohms and is plugged into a 120 V power supply, what is the current in the toaster?
- Consider the circuits shown below: a V = 102 V battery is connected to R, = 40 0, R2 = 15 N, R3 = 45 0, and R4 = 15 0. For the left-side circuit, what is the potential difference between points a and b? R, R, R1 R, ww ww. LAWM WW b R3 b R4 R3 R4 V V The potential difference, Vab = Units Select an answer For the right-side circuit, what is the current between points a and b? The current, lab= Units |Select an answerThe following figure shows 3 resistors R = 1.1 kN R2 = 3.3 KN R3 = 1.1 klconnected to a battery source emf E = 5 volts %3D Ri a R2 Rg a) Find the current across R3. Current across R3 Give your answer up to at least three significance digits. A b) Find the voltage across R2. Voltage across R, Give your answer up to at least three significance digits.A circuit contains three resistors connected in series across 100 volts; the circuit current is 2 Amperes. Two resistors (R1 and R2) have known values of 5 and 10 ohms, respectively. Determine: the resistances of the entire circuit in Ohms. Determine the resistance of the third resistor in Ohms.
- The circuit shows R= 8ohms, Emf1= 13.1 V and Emf2= 12.1 V. What is the power delivered to the 10R resistor in W?I need the answer as soon as possibleDue to a weak connection, there is a break in the circuit (shown below) between points a and b. If R1 = 4.73 N, R2 = 1.99 2, and R3 = 15.7 N, and the two batteries E1 %3D and Ez have voltages of 26.0 V and 6.50 V respectively, find the potential difference Vab: Be sure to include the sign of the potential difference. Vab = Vb – Va V %3D R1 ww ww R2 ww R3 b
- ΔVbatteryΔVbattery = 9 volts, R1 = 6 ohms, and R2 = 7 ohms. How many joules per second are used up in resistor R2? Enter a number to the nearest 0.01 with no units; e.g., 6.71, 49.53.Find the equivalent resistance of the combination of resistors R = 42.0 2, R2 = 75.0 2, R3 = 33.0 2, R4 = 61.0 2, Rs = 14.5 2, and R6 = 31.0 shown in the figure. R, R. R, w ww R. R. R, cquivalent resistance: Ω4a. Find the current in the circuit (magnitude and direction). 4b. Find the potential difference of V_ab of point a with respect to point b. 4c. Find the potential difference of V_bc of point b with respect to point c. 4d. What is the totatl rate at which electrical energy is dissipate in R1, R2, and R3 resistors. 4e. What is the power output of the 26.0V battery? 4f. At what rate is the electrical energy being converted to other forms in the 10.0V battery? 4g. Show that power output of the 26.0V battery equals the overall rate of dissipation of electrical energt in the rest of the circuit?