Quiz - TSC 4061a1
Shang-Jung Lee
Created on February 25, 2022
Questions (V, R, I, Q, t) - Associate letter with a
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Transcript
start
pop quiz - electricity
Voltage, current and resistance Ohm's law (V = RI)
Current intensity
Ampere
iPhone
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POP QUIZ
In this formula, what does the letter "I" represents?
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In the formulaV = R IV = voltage in voltR = resistance in ohmI = current intensity in ampere
Measures velocity
Measures voltage
Measures current
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This symbol represents a machine.What does this machine measure?
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The machine is called "voltmeter".It measures voltage in volt.
Current
Voltage
Charges
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That value is...?
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Voltage's unit is volt (v)Resistance's unit is ohms ( )Current's unit is ampere (A)Charges' unit is coulomb (c)
Resistance increases,Current increases.
Resistance does not affect current.
Resistance increases, current decreases.
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Assuming voltage remain constant,describe how resistance affects current.
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When voltage is constant,Resistance and current reacts in an opposite direction.When one goes up, the other goes down.And vice versa.It's also called "inversely proportional"
75 ampere
0.03 ampere
75 ohms
5/5
POP QUIZ
In a circuit with 1.5v and 0.02A.Use the formula to calculate the resistance.
5/5
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summary
Unit is volt (v)Measured by voltneter connected in parallel (like a spider).
SUMMARY
VOLTAGE (V)
CURRENT (I)
RESISTANCE (R)
OHM'S LAW
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Unit is ampere (A)Measured by ammeter connected in series (right in the wire)
Let you calculate voltage, current, or resistance.
Unit is ohm( )
POP QUIZ
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