Consider the circuit shown in the figure below, where R, = 8.00 N, R, = 9.00 N, and Ɛ = 7.00 V. 10.0 N R2 5.00 N 2.00 N R (a) Find the voltage (in V) across R,. V (b) Find the current (in A) in R,. A
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- A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 inseries with a 1.53-V carbon-zinc dry cell having a 0.100- internal resistance. The load resistance is 10.0 . (a) Draw a circuit diagram of the toy and itsbatteries, (b) What current flows? (c) How much power is supplied to the load? (d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?A student set up the circuit shown for her electronics class. Assuming E = 7.50 V and R = 6.00 Ω, find the following quantities. (a) the current in the 2.00 Ω resistor (Enter the magnitude in mA.) ????? mA (b) the potential difference (in V) between points a and b Vb − Va = ????? VA current of I = 4.6 A passes through the circuit shown, where R = 21 Ω. a) In terms of R, I, and numeric values, write an expression for the voltage of the source, V. b) voltage?
- An engineer built the circuit depicted in the figure. Assuming = 8.40 V and R = 4.90 Ω. What is the magnitud (mA) of the current in the 2.00 Ω resistor and what is the potential difference (in V) between points a and b (Vb − Va)?The compressor on an air conditioner draws89.6 A when it starts up. The start-up time isabout 0.282 s.How much charge passes a cross-sectionalarea of the circuit in this time?Answer in units of C.A current of I = 2.9 A passes through the circuit shown, where R = 96 Ω. A) In terms of R, I, and numeric values, write an expression for the voltage of the source, V. B) What is the voltage, V in volts?
- A child’s electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 Ω in series with a 1.53-V carbon-zinc dry cell having a 0.100-Ω internal resistance. The load resistance is 10.0 Ω . (a) Draw a circuit diagram of the toy and its batteries. (b) What currentflows? (c) How much power is supplied to the load? (d) Whatis the internal resistance of the dry cell if it goes bad, resultingin only 0.500 W being supplied to the load?In the circuit shown in the figure, the S switch closed at t=0 and the capacitors, which are completely empty, begin to fill. Here ε=10 V, C=5 μF and R=55 Ω. What is the time constant of the circuit, τ, in units of microseconds? When t= τ, what is the total charge, in units of microcoulomb, accumulated in the capacitors?Consider an electric diagram in the figure. When the switch in the circuit on the right is open, the voltmeter V reads 3.78 V. When the switch is closed, the voltmeter reading drops to 3.45 V, and the ammeter A reads 8.83 A. What is the battery internal resistance r (in Ω)?
- A 12.0 (V) battery is connected to a resistor network as shown below in fig (i). What's the equivalent resistance REQ of the circuit in fig (ii)? What's the current I in fig (ii)?What is the current in the element of an electric clothes dryer with a resistance of 7.4 Ω when it is connected to 240 V? Express your answer to two significant figures and include the appropriate units. I= How much charge passes through the element in 50 min? (Assume direct current.) Express your answer to two significant figures and include the appropriate units. Q=1. 9. In the circuit shown in the figure above, a power supplier of 50 V is connectedacross a resistance network. If R1 = 20 Ω, R2 = 10 Ω, R3 = 10 Ω, and R4 = 40 Ω. Whatis the equivalent resistor of the circuit? 2. 10. What is the current flowing through the R4 resistor in the circuit shown in Problem 9? 3. 11. What is the voltage across the R1 resistor in the circuit shown in Problem 9? 3.