1. A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, thetotal voltage developed by the battery isA. 7.5 V.B. 0.3 V.C. 1.5 V.D. 5.0 V.

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A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, the total voltage developed by the battery is 7.5 V. 1.5*5 = 7.5
1. A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, the total voltage developed by the battery is A. 7.5 V. B. 0.3 V. C. 1.5 V. D. 5.0 V.
A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, the total voltage developed by the battery is 7.5 V.1.5*5 = 7.5
5. According to the information in your study unit, which of the following locations requires the highest illuminance? A. A school locker room B. A study area C. A residential stairway D. A bank lobby
The glow emitted by a substance exposed to external radiation is calledA. bioluminescence.B. luminescence.C. phosphorescence.D. fluorescence
chathamtownfc.net: The glow emitted by a substance exposed to external radiation is called Fluorescence. User: The bending of light as it passes into a transparent material of different optical intensity is known asA. refraction.B. conversion.C. aberration.D. reflection. chathamtownfc.net: The bending of light as it passes into a transparent material of different optical intensity is known as refraction. User: In which of the following materials is the velocity of light greatest?A. Fused quartzB. WaterC. Crown glassD. Air chathamtownfc.net: The velocity of light is greatest in AIR. User: Which one of the following scientists did not study the properties of light?A. NewtonB. KeplerC. MaxwellD. Einstein (More)
24. When a beam of light passes at an oblique angle into a material of lower optical density, the angle ofincidence isA. greater than the angle of reflection.B. greater than the angle of refraction.C. less than the angle of reflection.D. less than the angle of refraction.
chathamtownfc.net: When a beam of light passes at an oblique angle into a material of lower optical density, the angle of incidence is less than the angle of refraction. User: 25. If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on thesurface isA. 648 lux.B. 24 lux.C. 216 lux.D. 8 lux. (More)
If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is 8 lux.E=I/s²E = 72/9 = 8 lux
10. Suppose that you"re facing a straight current-carrying conductor, and the current is flowing toward you.The lines of magnetic force at any point in the magnetic field will act inA. the direction opposite to the current.B. the same direction as the current.C. a clockwise direction.D. a counterclockwise direction.
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The lines of magnetic force at any point in the magnetic field will act in: a clockwise direction. User: 11. What bias conditions must be present for the normal operation of a transistor amplifier?A. Both junctions must be reverse biased.B. The emitter-base junction must be forward biased, and the collector-base junction must be reverse biased.C. Both junctions must be forward biased.D. The emitter-base junction must be reverse biased, and the collector-base junction must be forward biased (More)
The emitter-base junction must be forward biased, and the collector-base junction must be reverse biased is bias conditions must be present for the normal operation of a transistor amplifier.
12. The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so thatthe electrons may beA. accelerated toward the cathode.B. accelerated toward the anode.C. attracted to the cathode instead of the grid.D. attracted to the anode instead of the grid.
The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be attracted to the anode instead of the grid.
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