Three resistors, R1=50, R2=30, R3=40 are connected to a battery as shown in the figure below. If the battery voltage is 30Volts, determine the power dissipated by R2. Express your answer in units of Watts, using zero decimal places. R2 ww- R1 ww- R3 V
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- Consider the circuit shown in Figure P28.21 on page 860. (a) Find the voltage across the 3.00-0 resistor, (b) Find the current in the 3.00-12 resistor.In the circuit shown in figure 1, all the resistors are rated a maximum power of 1.00 W. What is the maximum emf epsilon that the battery can have without burning up any of the resistors?If two resistors with resistances R1 and R2 are connected in parallel, as in the figure, then the total resistance R, measured in Ohms (Ω), is given by: 1R=1R1+1R2 If R1 and R2 are increasing at rates of .3Ω/s and .2Ω/s, respectively, how fast is R increasing when R1=80Ω and R2=100Ω? ________________ Ω/s (Answer) Please show all steps.
- Current Iin flows into three resistors connected together one after the other as shown. The accompanying graph shows the value of the potential as a function of position.a. Is Iout greater than, less than, or equal to Iin ? Explain.b. Rank in order, from largest to smallest, the three resistances R1 , R2 , and R3. Explain.A resistor is dissipating 119milliwatts [mW] of power. The voltage across the resistor is 26 volts [V]. (a) What is the value of the resistance? Express your answer in units of ohms[Ω]using an appropriate SI prefix such that there are only one, two, or three digits shown to the left of the decimal. (b) What is the current through the resistor? Express your answer in units of amperes [A] using an appropriate SI prefix such that there are only one, two, or three digits shown to the left of the decimal.The diagram below shows a circuit where R1=4 Ω, R2=6 Ω, R3=5 Ω, V1=6 Volts, V2=10 Volts, and V3=7 Volts. What is the value of I1? In solving this problem, initially pick the current directions as shown. If the actual current turns out to be in the opposite direction, then your answer will be negative. If you get a negative number, enter it as negative. I can get the equations of: I1R1+V1-I2R2+V2= 0 -V2+I2R2-V1-I3R3+V3=0 I1+I2+I3 = 0 But I dont understand how to take these equations and solve for I1. Can you please do it step by step?
- What is the equivalent resistor, in units of Ohm, between the terminals a and b if you replace R1 by 4 Ohm, R2 by 1 Ohm and R3 by 5 Ohm resistor? Your result must contain two decimal places. Maximum of 5% of error is accepted in your answer.Answer the following 1. A voltage of 120V generates an IR drop across two resistors connected in series. If the voltage drop across R1 is 30V, what is the voltage drop across R2, in Volts? a) 80 b) 40 c) 100 d) 90 2. Three resistors R1, R2 and R3 of 20, 40 and 60 ohms are connected in parallel through the 120 V power line. What is the total current in the power line? a) 10A b) 12A c) 11A d) 15A 3. Resistors in a circuit are generally used to: a) increase the flow of the current b) decrease the flow of current c) avoid overvoltage d) decrease the power in the circuitAn electric device draws 6.10 AA at 240 VV. If the voltage drops by 25 %, what will be current, assuming nothing else changes? Express your answer to two significant figures and include the appropriate units. I final= If the resistance of the device were reduced by 25 %, what current would be drawn at 240 VV? Express your answer to two significant figures and include the appropriate units. I final=
- A resistor is dissipating 114 milliwatts [mW] of power. The voltage across the resistor is 13 volts [V]. (a) What is the value of the resistance? Express your answer in units of ohms [Ω] using an appropriate SI prefix such that there are only one, two, or three digits shown to the left of the decimal. (b) What is the current through the resistor? Express your answer in units of amperes [A] using an appropriate SI prefix such that there are only one, two, or three digits shown to the left of the decimal.In the circuit shown in figure 1, epsilon is equal to 41.0 V, R1= 4 ohms, R2= 6 ohms, and R3= 3 ohms. (A) what is the potential difference Vab between points a and b when the switch S is open? (B) for the 4 ohm resistor, calculate the current through the resistor with S open. (C) for the 6 ohm resistor, calculate the current through the resistor with S open. (D) for the 3 ohm resistor calculate the current through the resistor with S open. (E) what is the potential difference Vab between points a and b when the switch S is closed? (F) for the 4 ohm resistor calculate the current through the resistor with S closed. (G) for the 6 ohm resistor calculate the current through the resistor with S closed (H) for the 3 ohm resistor calculate the current through the resistor with S closed. (I) for each resistor, does the current increase or decrease when S is closed?The resistors shown in the figure have the following values: R1= 80 ohms R2= 50 ohms R3= 130 ohms and R4= 200 ohms What is the equivalent resistance between points a and b? What is Req= the equivalent resistance between points band c? What is the equivalent resistance for the entire resistor arrangement (from a to c)? If a voltage difference deltaVac= 13volts is applied across the arrangement (from a to c), what is the total current flowing from a to c? What is the voltage difference between points a and b? What is the voltage difference between points b and c? How much current is flowing across resistor R3? How much current is flowing across resistor R4?