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by BlastRoom
Identify the meanings, symbols, units, and meters for basic circuit quantities.
#physics
50 questions
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A circuit reading is written as 0.80 A. Which quantity was measured?
A student labels a battery terminal difference as 6.0 V. Which quantity uses the unit volt?
A resistor is marked 220 Ω. What quantity does the ohm measure?
In circuit equations and labels, which quantity is represented by I?
In a circuit diagram, the symbol V most often labels which quantity?
Which circuit quantity is represented by the symbol R?
Which instrument is placed in series to measure the charge flow rate through a component?
Which instrument is connected across two points to measure the energy transferred per coulomb?
Which instrument is used to measure the resistance of a component directly?
What is the SI unit of current?
What is the SI unit of potential difference?
What is the SI unit of resistance?
A lab table has a column labeled Q. What circuit quantity belongs in that column?
Which quantity has the unit coulomb per second?
Which quantity is measured in joules per coulomb?
Which quantity can be expressed in volts per ampere?
Which meter should have a very low resistance so that it barely changes the current it is measuring?
Which meter should have a very high resistance so that it draws almost no current from the circuit?
Which quantity tells how much charge passes a point in a wire each second?
Which quantity tells how much energy is transferred for each coulomb of charge moved between two points?
Which quantity describes how strongly a component opposes electric current?
Which term names the direction a positive charge would move around a circuit?
A wire carries a current of 2.0 A for 5.0 s. How much charge passes a point in the wire?
A 9.0 V battery moves 3.0 C of charge around a circuit. How much energy does it transfer to the charge?
Two components each have 6.0 V across them. Component A carries 0.20 A and component B carries 0.60 A. Which has the greater resistance?
A 1.5 V cell and a 6.0 V battery each move 1.0 C of charge. How does the energy the 6.0 V battery gives the charge compare with the energy the 1.5 V cell gives?
The same amount of charge passes a point in a wire in half the time it took before. What happens to the current?
A lamp has 12 V across it and a current of 0.50 A through it. What is its resistance?
In the circuit figure, which quantity does meter M1 read?
In the circuit figure, what does meter V1 measure?
In the circuit figure, is A1 correctly placed to measure the current through L1?
In the circuit figure, is V1 correctly placed to read the potential difference across R1?
In the circuit figure, which unit would be written with A1's reading?
In the circuit figure, which unit belongs with V1's reading?
In the circuit figure, what quantity does A1 read?
In the circuit figure, what does V1 read?
In the circuit figure, is A1 correctly placed to read the current through R1 and L1?
In the circuit figure, which quantity does V1 read?
A student says current is smaller after it leaves a lamp because the lamp uses up current. What is the best correction?
A classmate says voltage flows through a lamp. Which statement fixes the wording?
Two identical lamps are in one unbranched loop. A student says the lamp nearer the battery gets more current. What should you say?
A student writes, 'The ammeter reads 6 V.' What is wrong with that label?
A student says resistance is a property of the battery because the battery pushes current. Which correction is best?
A circuit diagram shows conventional current flowing clockwise. Which way do the electrons in the metal wires drift?
A student says a battery is a store of charge that empties as the circuit runs. Which statement is correct?
A student connects a voltmeter in series with a lamp to find the lamp's voltage. What should be changed?
A charge of 24 C passes a point in a wire in 6.0 s. What is the current at that point?
A current of 3.0 A carries 9.0 C of charge past a point in a wire. How long does this take?
A device transfers 60 J of energy to 12 C of charge. What is the potential difference across the device?
A 9.0 V battery transfers 45 J of energy to charge in a circuit. How much charge does it move?
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Factors Affecting Resistance
30 questions
