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You Are On Multi Choice Question Bank SET 993

49651. Determine VTH if R1 is changed to 3.3 k.





49652. Referring to the given circuit, what is VTH if VS = 120° V?





49653. For the circuit given, determine the Thevenin voltage as seen by RL.





49654. Determine the frequency at which the maximum power is transferred from the amplifier to the speaker in the given figure.





49655. Norton's theorem gives





49656. One circuit is equivalent to another, in the context of Thevenin's theorem, when the circuits produce the same voltage.



49657. Norton's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent voltage source in series with an equivalent impedance.



49658. A Thevenin ac equivalent circuit always consists of an equivalent ac voltage source and an equivalent capacitance.



49659. The superposition theorem is useful for circuit analysis only in ac circuits.



49660. An equivalent circuit is one that produces the same voltage and current to a given load as the original circuit that it replaces.



49661. In an ac circuit, power to the load peaks at the frequency at which the load impedance is the complex conjugate of the output impedance.



49662. In order to get maximum power transfer from a capacitive source, the load must have an impedance that is the complex conjugate of the source impedance.



49663. Thevenin's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent current source in parallel with an equivalent impedance.



49664. The superposition theorem is useful for the analysis of single-source circuits.



49665. Like Thevenin's theorem, Norton's theorem provides a method of reducing a more complex circuit to a simpler, more manageable form for analysis.



49666. Determine VTH when R1 is 180 and XL is 90 .





49667. For the given circuit, find VTH for the circuit external to RL.





49668. Referring to the given circuit, find ZTH if R is 15 k and RL is 38 k.





49669. For the circuit shown, determine ZTH for the portion of the circuit external to RL.





49670. Referring to the given circuit, what is ZTH if R1 is changed to 220 ?





49671. Under Art.14 the state shall not deny to any person





49672. Which part is described as Magnacarta of Indian Constitution





49673. Art.29 and 30 deals with





49674. Which of the following Article deals with amendment of the constitution





49675. National Gram Puraskar is related with





49676. A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is





49677. A 15 V source is connected across a 12 resistor. How much energy is used in three minutes?





49678. At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?





49679. A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least





49680. If you used 400 W of power for 30 h, you have used





49681. A 6 V battery is connected to a 300 load. Under these conditions, it is rated at 40 Ah. How long can it supply current to the load?





49682. In 40 kW, there are





49683. If you used 600 W of power for 60 h, you have used





49684. If it takes 400 ms to use 12,000 J of energy, the power is





49685. How many watt-hours represent 65 W used for 18 h?





49686. For 12 V and 40 mA, the power is





49687. A 220 resistor dissipates 3 W. The voltage is





49688. A 3.3 k resistor dissipates 0.25 W. The current is





49689. A half-watt is equal to how many milliwatts?





49690. Three hundred joules of energy are consumed in 15 s. The power is





49691. The power rating of a carbon-composition resistor that is to handle up to 1.2 W should be





49692. How much continuous current can be drawn from a 60 Ah battery for 14 h?





49693. A 75 load uses 2 W of power. The output voltage of the power supply is approximately





49694. When the current through a 12 k resistor is 8 mA, the power is





49695. A 68 resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is





49696. The joule is a unit of energy.



49697. Power rating is related to resistance value.



49698. The power rating of a resistor determines the minimum power that it can handle safely.



49699. The capacity of a battery is measured in milliamperes.



49700. Energy is equal to power multiplied by voltage.



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