A string of 15 Christmas tree lights is connected in series to a 90 volt power source What is the value of the resistance of each light if the current flowing through the circuit is 2 amps
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3 3 ohms
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A ray of light strikes a flat surface of water The angle that the incoming light ray makes with the normal is called the angle of
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incident
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Why does quartz resist chemical weathering more than any other common material
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because of its hardness
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The apparent change in the frequency of a sound emitted by a moving object as it passes a stationary observer is called the what effect
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Doppler effect.
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Three 15 ohm resistors are connected in parallel to a 30 volt battery What is the equivalent resistance through the circuit
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5 ohms...
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What is the incoming voltage from the current source to the transformer called
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the incoming voltage from the current source to the transformer
is called primary voltage.....
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Which of these two regular polygons has the larger interior angle triangle or heptagon
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heptagon
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A string of 20 Christmas tree lights are connected in series to a 20 volt power source The bulbs each have a resistance of .5 ohm How much current is flowing through the circuit
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2 amps. If it is D.C.
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Five resistors are connected together in series One resistor is 2 ohms one is 3 ohms one is 4 ohms one is 5 ohms and the fifth is 6 ohms What is the total resistance
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Purely additive. 2+3+4+5+6=20.
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A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi
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250 newtons
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A 5 ohm resistor a 20 ohm resistor and a 25 ohm resistor are all connected in series to a 100 volt power source What is the current running through the circuit
This figure is a regular 12-sided polygon Find m 3
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9
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What is the total current flowing through a 45 ohm resistor 1.4 amps and 20 ohm resistor 1.8 amps
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Just add the amps (3.2 amps).
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Cards in this guide (14)
What unit is used to measure resistance
ohm
A string of 15 Christmas tree lights is connected in series to a 90 volt power source What is the value of the resistance of each light if the current flowing through the circuit is 2 amps
3 3 ohms
A ray of light strikes a flat surface of water The angle that the incoming light ray makes with the normal is called the angle of
incident
Why does quartz resist chemical weathering more than any other common material
because of its hardness
The apparent change in the frequency of a sound emitted by a moving object as it passes a stationary observer is called the what effect
Doppler effect.
Three 15 ohm resistors are connected in parallel to a 30 volt battery What is the equivalent resistance through the circuit
5 ohms...
What is the incoming voltage from the current source to the transformer called
the incoming voltage from the current source to the transformer
is called primary voltage.....
Which of these two regular polygons has the larger interior angle triangle or heptagon
heptagon
A string of 20 Christmas tree lights are connected in series to a 20 volt power source The bulbs each have a resistance of .5 ohm How much current is flowing through the circuit
2 amps. If it is D.C.
Five resistors are connected together in series One resistor is 2 ohms one is 3 ohms one is 4 ohms one is 5 ohms and the fifth is 6 ohms What is the total resistance
Purely additive. 2+3+4+5+6=20.
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi
250 newtons
A+ Answers
A 5 ohm resistor a 20 ohm resistor and a 25 ohm resistor are all connected in series to a 100 volt power source What is the current running through the circuit
The process of creating electricity in one place and moving it to another for use
A string of 15 Christmas tree lights is connected in series to a 90 volt power source What is the value of the resistance of each light if the current flowing through the circuit is 2 amps
A ray of light strikes a flat surface of water The angle that the incoming light ray makes with the normal is called the angle of
The process of creating electricity in one place and moving it to another for use
A string of 15 Christmas tree lights is connected in series to a 90 volt power source What is the value of the resistance of each light if the current flowing through the circuit is 2 amps
A ray of light strikes a flat surface of water The angle that the incoming light ray makes with the normal is called the angle of
A soldier hears the sound of a distant cannon 6 seconds after he sees the flash How far away is the cannon
A ray of light strikes a flat surface of water Part of the light will be reflected and part of the ray will enter the water The angle that is made by the part of the ray that enters the water with
A string of 15 Christmas tree lights is connected in series to a 90 volt power source What is the value of the resistance of each light if the current flowing through the circuit is 2 amps
A soldier hears the sound of a distant cannon 6 seconds after he sees the flash How far away is the cannon
A ray of light strikes a flat surface of water Part of the light will be reflected and part of the ray will enter the water The angle that is made by the part of the ray that enters the water with
A string of 15 Christmas tree lights is connected in series to a 90 volt power source What is the value of the resistance of each light if the current flowing through the circuit is 2 amps
A 5 ohm resistor a 10 ohm resistor and a 15 ohm resistor are connected in series to a 120 volt power source What is the amount of current flowing between the 5 ohm resistor and the 10 ohm resistor
If there are four appliances connected to a single power source in series then the number of current paths is equal to
When measuring the angle of incidence and the angle of refraction the imaginary line drawn perpendicular to the surface at the point of incidence is called the