Question 1 (1 point)
(9.23_q1) in a closed circuit, the electricity can flow from the negativ...
Health, 08.01.2020 06:31, alyahmarie00
Question 1 (1 point)
(9.23_q1) in a closed circuit, the electricity can flow from the negative battery terminal to the positive terminal because of a electrical path is provided.
complete
incomplete
beautiful
ugly
question 2 (1 point)
(9.23_q2) in a dc circuit powered by a battery, the electricity flows from the battery terminal
positive to the negative
negative to the positive
right to the left
left to right
question 3 (1 point)
(9.23_q3) in electricity and electronics, dc stands for
district of columbia
detective comics
direct current
alternating current
question 4 (1 point)
(9.23_q4) the flow of electrons (e-) thru a wire is called
resistance
ohms
electricity
question 5 (1 point)
(9.23_q5) there has to be a reason for electrons to move through a wire. this pressure causing the electrons to move is called
amperes (amps)
current
voltage
ohms
question 6 (1 point)
(9.23_q6) the amount of electrons flowing through a wire is measured in and has the symbol i.
amperes (amps)
resistance
voltage
ohms
question 7 (1 point)
(9.23_q7) electronic materials have resistance to the flow of electrons and it is measured in
amperes (amps)
current
voltage
ohms (ω)
question 8 (1 point)
(9.23_q8) a material which allows fewer electrons to travel through it has
high electrical resistance (high ohms, ω)
low electrical resistance (low ohms, ω)
question 9 (1 point)
(9.23_q9) the flow of electrons thru a wire is called electricity. the amount of electrons flowing through the wire is called
amperes (amps)
current
voltage
ohms
question 10 (1 point)
(9.23_q10) an electronic device meant to provide resistance to the flow of electrons is called a .
resistor
led
wire
question 11 (1 point)
(9.23_q11) which provides more resistance?
a 1 mω resistor
a 1 kω resistor
a 1 ω resistor
question 12 (1 point)
(9.23_q12) what happens if we hook up an led into a circuit in the wrong direction?
the led glows twice as bright as normal
the led glows half as bright as normal
the led glows normally, it makes no difference at all.
the led doesn’t glow at all
question 13 (1 point)
(9.23_q13) the correct formula for calculating the resistance needed to protect an electronic component from too much voltage is
component amps / forward voltage
power source voltage / component amps
(power source voltage - component forward voltage) / component amps
question 14 (1 point)
(9.23_q14) the led lead should be connected to the positive side of the battery.
shorter
longer
right
left
question 15 (1 point)
(9.23_q15) when building a protype circuit in the real world, instead of clamping or soldering connections, we would use a
resistor
breadboard
light emitting diode
Answers: 1
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