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You Are On Multi Choice Question Bank SET 992

49601. In a two-source circuit, one source acting alone produces 12 mA through a given branch. The other source acting alone produces 10 mA in the opposite direction through the same branch. The actual current through the branch is





49602. Find the current through R1 in the given circuit.





49603. What is the Thevenin equivalent (VTH and RTH) for the circuit given?





49604. Referring to the given circuit, the voltage and current for the load resistor, RL, is





49605. Find the current in R2 of the given circuit, using the superposition theorem.





49606. A 470 RL is connected across a voltage source, VS, of 120 V. The source's internal resistance, RS, is 12 . What is the output voltage across the load?





49607. A 2 RL is connected across a voltage source, VS, of 110 V. The source's internal resistance is 24 . What is the output voltage across the load?





49608. An 18 V source has an internal resistance of 70 . If a load resistance of 33 is connected to the voltage source, the load power, PL, is





49609. A certain voltage source has the values VS = 30 V and RS = 6 . The values for an equivalent current source are





49610. A 120 load is connected across an ideal voltage source with VS = 12 V. The voltage across the load





49611. Find the Norton circuit, that is, IIN and RN, for the circuit given below.





49612. A 120 load is connected across a voltage source with VS = 12 V and RS = 8 . The voltage across the load is





49613. Find RN for the circuit given.





49614. Referring to circuit given, if R1 is changed to a 68 resistor, what will be the current through it?





49615. Find the Thevenin equivalent (VTH and RTH) between terminals A and B of the circuit given.





49616. Referring to the given circuit, determine VTH and RTH if a 68 resistor is connected in parallel across R2 and R3.





49617. A 12 mA current source has an internal resistance, RS, of 1.2 k. The equivalent voltage source is





49618. Some circuits require more than one voltage or current source.



49619. An ideal voltage source has zero internal resistance.



49620. A practical current source has a finite internal resistance.



49621. Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.



49622. A practical voltage source has a nonzero internal resistance.



49623. You cannot convert a voltage source to an equivalent current source, or vice versa.



49624. An ideal current source has zero internal resistance.



49625. The Thevenin equivalent voltage (VTH) is the short-circuit voltage between two terminals in a circuit.



49626. Transistors act basically as voltage sources.



49627. Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.



49628. Find the Thevenin equivalent (VTH and RTH) between terminals A and B of the circuit given below.





49629. A certain current source has the values IS = 4 µA and RS = 1.2 M. The values for an equivalent voltage source are





49630. Find the total current through R3 in the given circuit.





49631. A 680 load resistor, RL, is connected across a constant current source of 1.2 A. The internal source resistance, RS, is 12 k. The load current, RL, is





49632. Find the current through R2 of the given circuit.





49633. How many kinds of emergencies are there according to our constitution?





49634. The words ‘Unity and Integrity of Nation’in the preamble was substituted for the word’Unity of Nation’by





49635. According to Constitution of India,the executive power of the Union is vested in





49636. Directive Principle of State policy are contained in





49637. Which of the following Article be amended by simple majority





49638. Determine VTH for the circuit external to RL in the given figure.





49639. Referring to the given figure, determine ZTH as seen by RL if R1 is changed to 3.3 k.





49640. The two basic components of a Thevenin equivalent ac circuit are





49641. Referring to the given circuit, find ZTH if VS is 180° V.





49642. In applying the superposition theorem,





49643. If two currents are in the same direction at any instant of time in a given branch of a circuit, the net current at that instant





49644. The Thevenin equivalent voltage is





49645. Referring to the given circuit, L





49646. Referring to the given circuit, find ZTH for the part of the circuit that is external to RL.





49647. In order to get maximum power transfer from a capacitive source, the load must





49648. Referring to the given circuit, determine ZTH as seen by RL.





49649. Referring to the given circuit, how much power, in watts, is delivered to the speaker at the determined frequency if VS = 4.5 VRMS?





49650. The Norton equivalent current is





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