No student devices needed. Know more
30 questions
In a parallel circuit, if one connection is broken, all of the connections stop working.
True.
False.
Which statement is true?
The light bulb will light up because the circuit is complete.
The light bulb will light up because the circuit is broken.
The light bulb will not light up because the circuit is complete.
The light bulb will not light up because the circuit is open.
What type of circuit is the image showing?
Parallel
Series
No circuit
What components causes resistance in an electric circuit?
Light bulb
Wires
Heater
Battery
What is the role of an ammeter in an electric circuit?
To measure the amount of electric current in the circuit
To measure the amount of voltage in an electric circuit
To measure the amount of resistance in an electric circuit
What is the role of a voltmeter in an electric circuit?
To measure the amount of current
To measure the voltage in an electric circuit
To measure the energy of the current
A conductor has _____ resistance. An insulator has ______ resistance.
Low; high.
Negative; positive.
Positive, negative.
High, low.
Series circuits have ________ resistance. Parallel circuits have _______ resistance.
Negative, positive.
High; low.
Low; high.
Positive, negative.
A resistor
Is the same as resistance
Is connected to a circuit in parallel
Is used in a circuit to control the amount of current
Is not measured in ohms
What does this symbol stand for?
Switch closed
Resistor
Fuse
Switch open
What does this symbol stand for?
Voltmeter
Resistor
Resistance
Fuse
The diagram above represents a wire in which the net flow of electrons is to the right. The direction of the conventional current in the wire
depends on the potential difference.
is to the left.
is the same direction as the electron flow.
cannot be determined.
Conventionally, current is described as flowing from the ................ terminal of a battery to the ................ terminal.
Negative.....negative
Negative....positive
Positive......negative
Positive....positive
In the circuit, the bulb lights up because there is ............... flowing in the closed circuit.
battery
current
resistance
voltage
SI unit of current is
ampere
metre
ohm
volt
SI unit of voltage is
ampere
metre
ohm
volt
What is needed for current to flow?
light bulb
multimeter
resistance
voltage
Effective resistance increases when in .............. circuit.
Parallel
Series
Effective resistance decreases when in .............. circuit.
Parallel
Series
Explore all questions with a free account