34401. Which command of MS-DOS is used to copy only files that have been modified on or after the date you specify?
34402. Which DOS command will format a floppy disk and transfer the system files
34403. While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?
34404. The term TSR is an abbreviation for:
34405. Using the _____ switch causes FDISK to display the partition status of your hard disk without executing FDISK.
34406. The ratio between the total volume of voids and the total volume of solids is called:
34407. The most accurate method of determining the water contents in a sample of soil is:
34408. Who says that”every Judge is an activitst,either on the forward gear or on the reverse”?
34409. When a non-member of parliament is inducted into the council of ministers he must become a member of parliament within?
34410. Who was the first Chief Minister of Thiru-Kochi?
34411. For a pure capacitor:
34412. The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:
34413. In a pure inductor:
34414. Waveforms are graphs that show:
34415. When the collector current increases, what does the current gain do?
34416. How many types of flow are there in a semiconductor?
34417. Which one of the following devices is most often used for measuring opposition to current flow in a circuit?
34418. What form of energy is used to maintain an imbalance of charges between the terminals of a battery?
34419. Which one of the following statements best applies to a parallel RLC circuit?
34420. The equivalent of 1 micro A is:
34421. Which one of the following statements best describes magnetic hysteresis?
34422. Which one of the following phrases best describes residual magnetism?
34423. A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current?
34424. Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs?
34425. Which one of the following phrases most accurately describes a purely inductive circuit?
34426. The knee voltage of a diode is approximately equal to the
34427. A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have?
34428. The rms value of a sine waveform is:
34429. Which one of the following is a direct statement of Ohm's law?
34430. A high-pass filter:
34431. Which one of the following statements is true for the voltages in a series RC circuit?
34432. A battery is a device composed of one or more:
34433. Doubling the operating voltage of a purely capacitive circuit:
34434. How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?
34435. The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?
34436. What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm
34437. Molecule is
34438. What form of energy is used for creating static electricity?
34439. Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?
34440. A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current?
34441. A dielectric material is:
34442. A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?
34443. If a load resistance is 1 kW, a stiff current source has a resistance of
34444. A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff?
34445. The number of free electrons and holes in intrinsic semiconductor increases when the temperature
34446. Which one of the following statements is true for current flowing in a parallel circuit?
34447. Holes are the minority carriers in which type of semiconductor?
34448. Doubling the number of turns of wire in an inductor:
34449. A farad is defined as the amount of capacitance necessary for:
34450. What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz?