A) Find the equivalent resistor of the circle between points a and b? B) If a constant voltage source (15V) is placed between points a and b, calculate a value Current iS

Q: What voltage would be needed to provide a

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Q: Determine the resistance its proper source voltage of 110 V. of a 75-W lightbulb connected to

A: Given: Rating of bulbs, Rated power, P=75 W Source voltage, Vs=110 V

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Q: A lamp draws 0.5 A at 110 V. The cold resistance of the filament of this lamp is 20 Ω at 20˚C. Find…

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Q: Find the applied Voltage necessary to develop the Current specified in each circuit

A: Find the applied Voltage ?   the Current specified in each circuit I = 250mA

Q: Dose KCL & KVL depend on the relationship between current and voltages in a resistor, Explain?

A: To find the relation between KCL and KVL

Q: The figure below shows a battery connected to a circuit. The potential difference across the battery…

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Q: At which end of the ohms scale are resistance 3.2. Can inserting a resistor in a circuit produce an…

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Q: A voltage of v(t) = 2 cos(277 49 t) volts is applied across the 23-ohm resistor. Find the total…

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Q: 4. An ordinary light bulb is marked “60 W, 220V “. a. What is the resistance of the bulb? b. What is…

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Q: voltmeter is used to measure the voltage, which of the following device is used to measure current?…

A: We use the Ammeter to measure the current.

Q: 1. What is an ohmmeter and what are its application?

A: 1. Ohm meter:- Ohmmeter is an electrical measuring instrument which used to measure the electric…

Q: Determine the current flowing through the resistor R1 if the Zener voltage is 4V.

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Q: Motor Suppose the voltmeter in the circuit shows 20 V, and the conductance of the motor is 25 mS.…

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Q: 7. What will be the value of the voltmeter in this circuit and why? Explain. RESISTOR1 1k Voltmeter…

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Q: B) Find the current in a circutar wire show i in figure (1) below if the current density is 20 a…

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Q: Q2: The 60 W light bulb in Figure below is rated at 120 volts. Calculate (Vs) to make the light…

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Q: The figure below shows I-versus-AV graphs for an incandescent lightbulb and a resistor. Choose all…

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Q: Find the reading if the voltmeter for the circuit below

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Q: Find RT, Is, 1, 12, Ix, V1, V2, and the power absorbed by the 6 ohm resistor. RT 32 + 36V 8Ω 82

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Q: Find the current given a voltage of 120 V and a resistance of 43 Ω.

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Q: Suppose that each headlight of a car uses 3 A and that the driver accidentally left the headlights…

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Q: 1. Fill the following details for the lab Equipment's: Q1. Specification/Range of Voltmeters: Q2.…

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Q: Q3. How do you connect the multimeter in a circuit to measure the current?

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Q: .Plot the results on a graph which should look like that of figure 2

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Q: A person working on a steel structure while standing on ground. An accident occurred where 6 A pass…

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Types of Thyristors

With four layers of alternating P- and N- materials, a thyristor is a solid-state semiconductor device. It acts as a type of bi-stable switch and it conducts when the gate receives a current trigger and continues to conduct until the voltage is reverse biased across the device or by some means until the voltage is removed. The silicon-controlled rectifier is considered synonymous with thyristors by some sources. Thyristors are defined as more complex by other sources as it contains at least four-layer of alternating N-type and P-type substrate. They find large applications in the control of electrical power supplies, electric motor speed control, and ranging of light dimmers because thyristors can control large amounts of power supplies and voltage with a small device. The circuit symbol of the thyristor is given below.