34451. A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?
34452. Which one of the following statements is true for the currents in a parallel RC circuit?
34453. Which one of the following statements is true for current flowing in a series circuit?
34454. The total inductance of a series inductor circuit is:
34455. When the graph of current versus voltage is a straight line, the device is referred to as
34456. Which one of the following statements most accurately applies to the frequency of a waveform?
34457. The merging of a free electron and a hole is called
34458. One henry of inductance is defined as:
34459. The basic unit of measurement for current is the:
34460. Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?
34461. What is a negative ion?
34462. In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point
34463. Voltage is
34464. What is the turns ratio for the transformer specified in the above question?
34465. The total impedance of a series RLC circuit:
34466. The direction of electron current flow is:
34467. A device that converts mechanical pressure to electrical energy is called a:
34468. Which one of the following statements is true for the voltage in a parallel RC circuit?
34469. The Thevenin resistance is equal in value to the
34470. Most AC power is obtained from:
34471. The value of a capacitor can be made larger by:
34472. Which of the following committee suggested the inclusion of a separate chapter on fundamental duties in the constitution of India?
34473. The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?
34474. Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff?
34475. Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field?
34476. Which one of the following principles best describes the basic operation of an electromagnet?
34477. The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?
34478. Current and voltage are said to be in phase when:
34479. Silicon atoms combine into an orderly pattern called a
34480. The rotating coil of wire in an electric motor is called the:
34481. The north pole of a magnet is the one:
34482. A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value?
34483. When a parallel RLC circuit is operating at its resonant frequency:
34484. For normal operation of the transistor, the collector diode has to be
34485. In a step-down transformer, which is larger?
34486. What is the barrier potential of a silicon diode at room temperature?
34487. The Norton current is sometimes called the
34488. At room temperature a conductor has low many holes?
34489. A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff?
34490. When the Q point moves along the load line, the voltage increases when the current
34491. What is the smallest number of polarities required for current flow?
34492. A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode?
34493. Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode
34494. The graph of current gain versus collector current indicates that the current gain
34495. Which one of the following statements is true for the currents in a parallel RL circuit?
34496. What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?
34497. The nucleus of the copper atom contains how many protons?
34498. Which one of the following statements is true for voltage in a series circuit?
34499. A basic capacitor is composed of:
34500. Which one of the following devices is most often used for measuring electrical potential difference?