Given the following circuit of a heater R3 The Voltage of the battery is 120 Volts. The three heaters are identical R1=R2=R3=R. Find the value of R that will ensure that the total power of the heater is 3600 Watts.

A parallel plat capacitor is being charged by a battery of Ɛ = 12 V. If the total resistance of the circuit is 5.0 k2, and if the time constant for this circuit is 7= 95 ms (milliseconds), then: 1. What is the capacitance, C, of the capacitor? а) b) What is electric charge on the capacitor (as a function of time)? c) What is the current in the circuit (as a function of time)? d) If the capacitor plates are circular and the separation distance is d = 0.8 mm, calculate the E field value between the plates of the capacitor (as a function of time). e) Calculate the B field value and directions, between the plates of the capacitor (as a function of time), at a distance r from the center of plates.

For the circuit shown below Vs = 20V and Rint 300 S2, what value of the load resistor, RL (to the nearest Ohm) will give maximum power transfer to the load? Rint V₂ R₁

The following resistors are connected in a DC circuit: R₁ = 214 2 R₂=182 2 R3 = 335 2 . . a. Calculate the total resistance if each resistor is connected in series. b. Req= BB 2 Ω Calculate the total resistance if each resistor is connected in parallel. Req= 52

Given the circuit below. Determine the value of the voltage source is the power dissipated by the 20-ohm resistor is 12.93 watts.

a) Three resistors and a 12 V power source are connected as shown in the circuit diagram below.  What is the equivalent resistance (in Ω) of the circuit? b) The voltage drop across resistor R2 and resistor R3 in question 13 above will be equal.   True OR False

What is the total resistance of this circuit?

The Q vs t graph shown below is for the capacitor of an RC circuit. Q (C) 10 7.5 5. 2.5 7 14 21 28 35 42 49 56 63 70 t(s) Determine the time constant of the RC circuit. TH If R= 802, determine C. C= MY NOTES

Resistor and RC Circuits Problem 6:  A circuit consisting of 5 resistors is shown in the graph. Their resistances are R1=15Ω, R2=95Ω, R3=81Ω, R4=42Ω, and R5=33Ω, and the emf of the battery is ε=8.5 V. Suppose the internal resistance of the battery is zero.    Part (c)  Calculate the numerical value of the total resistance R in ohms.  Part (e)  Calculate the numerical value of I in amps.   Part (g)  Calculate the numerical value of the power dissipated by R1, P, in watts.

please help as soon as possible