1. including a full-wave rectifier in an ac circuit will yield a/an current.
a. contin...
Chemistry, 02.12.2019 03:31, pleasehelpme666
1. including a full-wave rectifier in an ac circuit will yield a/an current.
a. continuous alternating
b. continuous direct
c. intermittent alternating
d. intermittent direct
2. a transmission system at a radio station uses a/an to convert a direct current into a high-frequency alternating current.
a. modulator
b. oscillator
c. demodulator
d. transmitting antenna
3. combining which of the following substances with germanium will cause the germanium to emit free electrons?
a. indium
b. gallium
c. bismuth
d. aluminum
6. which of the following does not affect the electrical resistance of a body?
a. bodies directly surrounding the body
b. length of the body
c. temperature of the body
d. material composing the body
8. which of the following is an accurate description of the relationship demonstrated in ohm's law?
a. the resistance (ohms) divided by the current (amperes) equals the electric potential (volts).
b. the electric potential (volts) divided by the current (amperes) equals the resistance (ohms).
c. the electric potential (volts) multiplied by the resistance (ohms) equals the current (amperes).
d. the electric potential (amperes) divided by the resistance (ohms) equals the current (volts).
11. a series circuit contains a generator, two devices, and connecting wires. the resistances of the two devices are 15 ohms and 10 ohms. the voltage supplied by the generator is 75 v. what will be the voltage drop in the device with 10 ohms of resistance?
a. 3 v
b. 45 v
c. 25 v
d. 30 v
13. if a bar magnet's neutral region is broken in two, what will most likely occur?
a. each of the two segments of the original bar magnet will have a north and south pole.
b. the segment that's longer will have a north and south pole.
c. one segment will have only a north pole, the other segment will have only a south pole.
d. neither segment will have a north or south pole
16. which of the following would decrease the resistance to the flow of an electric current through a body?
a. using a conductor with a smaller cross section
b. lengthening the conductor
c. shortening the conductor
d. heating the conductore
each question is worth 5 points i will give brainliest answer
Answers: 3
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