34501. Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance?
34502. The equivalent of 1 megohms is:
34503. Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?
34504. Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff?
34505. If the current gain is 200 and the collector current is 100 mA, the base current is
34506. Which one of the following statements is true for the voltages in a series RL circuit?
34507. The core of an electromagnet is said to be in saturation when:
34508. As the temperature increases, the current gain
34509. Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91?
34510. Doubling the diameter of the coil in an inductor:
34511. Which one of the following statements is true for the impedance of a series RC circuit?
34512. If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point
34513. What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding?
34514. What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz?
34515. Which one of the following is a statement of KirchhofFs voltage law?
34516. What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?
34517. Current can flow through a normally open push button switch as long as:
34518. Doubling the operating frequency of a purely capacitive circuit:
34519. How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source?
34520. An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current?
34521. The total capacitance of a series capacitor circuit is:
34522. Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?
34523. To get the Thevenin voltage, you have to
34524. Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?
34525. ”Sadhu Jana Paripalana Yogam”was founded by:
34526. When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a:
34527. Doubling the operating frequency of an inductive circuit:
34528. A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?
34529. Which one of the following statements is true?
34530. A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding?
34531. If a load resistance is 1 kW, a stiff voltage source has a resistance of
34532. A typical light switch in your home is a:
34533. Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage?
34534. A device that converts thermal energy to electrical energy is called a:
34535. How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?
34536. A device that converts chemical energy to electrical energy is called a:
34537. Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?
34538. What is the difference between a conductor and an insulator?
34539. A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?
34540. At room temperature an intrinsic semiconductor has
34541. If the base supply voltage increases, the Q point moves
34542. Positive ions are atoms that have
34543. Which one of the following is a statement of Kirchhoffs current law?
34544. Who said “Give me blood and I will give you freedom”?
34545. A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation?
34546. Which one of the following phrasers best describes flux density?
34547. Which is the most widely used semiconductor?
34548. The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current?
34549. An intrinsic semiconductor has some holes in it at room temperature. What causes these holes?
34550. Who is the Chairman of the National Farmers Commission in India?