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How much current flows through a radio speaker that has a resistance of 8 V when 12 V is impressed across the speaker?
To find the current flowing through the radio speaker, you can use Ohm's Law, which states that ( I = \frac{V}{R} ). Here, the voltage ( V ) is 12 volts, and the resistance ( R ) is 8 ohms. Plugging in the values, the current ( I ) is ( \frac{12 , \text{V}}{8 , \Omega} = 1.5 , \text{A} ). Therefore, 1.5 amperes of current flows through the speaker.
What else can I help you with?
What word describes how difficult it is for electricity to flow through a circuit?
The word that describes how difficult it is for electricity to flow through a circuit is "resistance." Resistance is measured in ohms and determines how much current will flow for a given voltage. Higher resistance means less current flows, while lower resistance allows more current to pass through.
A wire with resistance R is connected to the terminals of a 30 V battery. What is the current through the wire if the wire has the resistance?
Your current will be 30/R Amps. Where R is the resistance in Ohms.
On what factors the current flowing through a device depends?
Current flowing through a device depends on resistance offered by that device.
Does the resistance of heater coil remains same when current flows through it?
Typically resistance rises with temperature.
What current will travel along the path with the highest resistance?
In a circuit, current prefers to flow through paths with lower resistance according to Ohm's Law (I = V/R). However, if there are multiple parallel paths, the current will split, and the path with the highest resistance will have the least current flowing through it. Therefore, while current does not travel along the path with the highest resistance, it will still exist in that path, albeit in a minimal amount compared to lower-resistance paths.
Does voltage flow across a circuit or is it impressed across a circuit?
Voltage is impressed across a circuit. Current flows through a circuit.
What is meant by resistance of a current?
The resistance of a current is a measure of how difficult it is to push the electrons along.AnswerThere is no such thing as the 'resistance of a current'. Resistance is a characteristic of the material through which a current flows, not of the current itself.
What is the impact of the flow of current through a wire on its conductivity and resistance?
The flow of current through a wire increases its conductivity and decreases its resistance.
What is the relationship between resistance and current in microscopic Ohm's law?
In microscopic Ohm's law, the relationship between resistance and current is that resistance is directly proportional to the current flowing through a material. This means that as resistance increases, the current flowing through the material decreases, and vice versa.
Does current flow through a circuit by taking the path of least resistance?
No, current does not flow through a circuit by taking the path of least resistance. Instead, current flows through all available paths in a circuit, with the amount of current in each path determined by the resistance of that path.
How will you describe the graph of resistance against current?
If resistance is high that time the current flow is low. Bcoz current always flow through the low resistance path.
What does a current flowing through a material meet with?
Resistance
What is a measure of how easily current will pass through a material?
resistance conductance or 1/resistance
What word describes how difficult it is for electricity to flow through a circuit?
The word that describes how difficult it is for electricity to flow through a circuit is "resistance." Resistance is measured in ohms and determines how much current will flow for a given voltage. Higher resistance means less current flows, while lower resistance allows more current to pass through.
Why shunt resistance is used ammeter?
A shunt resistance is a low resistance connected parallel to the galvanometer so that a large portion of current passes through the low resistance and a small fraction of current passes through the galvanometer this saves the galvanometer from damage
Which property makes it difficult for current to pass through?
Resistance in the circuit makes it difficult for current to pass through.
How calculate unknown resistance?
-- Connect a source of known, small voltage across the ends of the unknown resistance. -- Measure the resulting current through the unknown resistance. -- Divide (small known voltage)/(measured current). The quotient is the formerly unknown resistance.
