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Subject:Circuits I
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- Problem 1 Step 1: Draw a circuit diagram of three resistors connected in series, and place them under this problem. R1, R2, and R3 are 2 Ohms, 10 Ohms, and 2.5 Ohms respectively. Calculate the total current and total resistance in the circuit if it is connected across a 24 Volts DC power supply. Step 2: Connect the same resistors from the last problem in parallel across the same source and calculate the total current of the circuit and total resistance. Step 3: Which circuit shows a greater current? What does this mean?When a voltage of 100V at 50Hz is applied to a choking a coil A, the current taken is 8A and the power is 120W, when applied to a coil B, the current is 10A and the power is 120W. what power will be is 10A and the power is 120W. what power will be taken when 100V is applied to the two coils connected in series?a. In the circuit shown in Figure below, what is the current i in amperes? Round-off answer to 2 decimal places and enter answer w/o units. b. In the circuit shown in Figure below, what is the current i3 in amperes? Round-off answer to 2 decimal places and enter answer w/o units. c. In the circuit shown in Figure below, what is the voltage V0 volts? Round-off answer to 2 decimal places and enter answer w/o units.
- A 12-volt DC circuit has two resistors in parallel, 100 ohms and 510 ohms. How much power does this circuit draw? Round your answer to the nearest one-hundredth of a watt.Q10. To produce a voltage output to 9-Volt of the DC power supply circuit shown in Figure 3, what should be value of R2 if R1 is 1000. 1N4001 1A Fuse Bridge Rec. 240V AC In Out LM317 +V out Transformer Adjust R1 2000uf 0.1uF 1uF R2 OV ww wvFor the circuit shown in Figure, find the following: a. The magnitude of current in the circuit, I. b. The total power delivered by the voltage source, P,. c. The value of the unknown resistance, R./ d. The power dissipated by each resistor. 1 ka 4 ko E- 90 V RT- 12 ka 3 ka
- Three resistors A, B and C are connected in series to a 126-volt dc source. If the resistance at A is 64 ohms and the voltage across resistor B is 40 volts when the current is 0.5 amperes, calculate the power dissipated at resistor B.Question 4 a) B M Figure 4 Figure 4 shows the graph of the ripple current. Answer the following i. Describe the function of A. ii. iii. Describe the function of B. Identify the ideal paramater to get the good power supply.Two 115-V incandescent lamps A & B are connected in series across 230-V de source. Lamp A is rated 100 W and lamp B is rated 60 W. Which lamp is abnormally bright and hence will burn out soon? a) Lamp A b) Lamp B c) Both lamps will be abnormally bright d) Both lamps will work normally
- PLEASE SHOW COMPLETE SOLUTIONA. What is the current in the 20-ohm resistor? B. What is the voltage drop accross the 16-ohm resistor? C. What is the power rating of the 8-ohm resistor?Calculate the power factor and phase angle in a sinusoidal current-carrying circuit from measuring current, voltage, and power. The current reading was 2.5 amps on a 5-amp scale, the voltage reading was 200 volts on a 250-volt scale, and the capacity was 220 watts on a 500-watt scale. The ammeter and voltmeter are guaranteed to the limit (1% +-) of the reading of the highest scale, as well as the wattmeter. Calculate the percentage of the accuracy of the measured readingsTwo heating units A and B are connected parallel across a 120-volt supply. Unit B takes twice as much power in A, and the total power is 2160 Watts. Determine resistances of A and B.