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How many 1.5 V batteries are needed to produce 40mA of current if the resistance is equal to 150?
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∙ 14y ago
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∙ 14y ago
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If a circuit has a resistance of 4 ohm's how much voltage is needed to produce a 1.4 current in the circuit?
Voltage across a resistance = (resistance) x (current through the resistance) =4 x 1.4 = 5.6If the ' 1.4 ' is Amperes of current, then the required voltage is 5.6 volts.
How much voltage is needed to produce a current of 0.5 ampere in a circuit that has a resistance of 24 ohms?
Work it out yourself -the equation is: voltage = current x resistance.
How do you get tolerance of resistor?
That depends on how much resistance is called for through the engineering, there is tiny resistance (mf) microfared on up huge resistance seen on electrical poles. Your circuit engineering formula dictates the needed resistance or it will just burn or not flow at all, you cannot answer the question without first asking a question..How much resistance do you need. They can be produce for virtually any tolerance.
How much current is needed to light a bulb with 180 ohms of resistance using 120 volt power source?
V = I x R so current I = 1/2 amp. I bet the bulb is rated at 60 W because Watts = Current x Voltage. Where V = voltage (volt) I = current (ampere) R = resistance (ohm) Your question isn't easy to answer. A lamp has two 'resistances': a 'cold' resistance, and a 'hot' resistance. Before it is energised, it is cold, so its resistance is low; when it is energised, it becomes very hot, and its resistance increases significantly. So, the question is whether your '240 ohms' is the cold resistance or the hot resistance. If it is the cold resistance, then a current of 0.5 A will flow through it for a fraction of a second, then its resistance will increase significantly, and the current will fall to a very much smaller value.
What is needed for electromagnetic induction?
An electric current is produced by the change in Magnetic flux over timeRead more: How_do_electromagnets_work
What voltage is needed to produce 6 A current through a resistance of 3?
18volts
The voltage needed to produce a current of 8 A in a resistance of 12 ohms is?
8x12=96
What voltage is needed to produce a 6 A current in an object that has a resistance of 3 ohm?
18 volts
Why automobile batteries have low internal resistance?
To supply the current needed to develop some horse power to turn over an engine.
How much voltage is needed to produce a current of 2 ampsthrough a resistance of 6 ohms?
12 voltage
If a circuit has a resistance of 4 ohm's how much voltage is needed to produce a 1.4 current in the circuit?
Voltage across a resistance = (resistance) x (current through the resistance) =4 x 1.4 = 5.6If the ' 1.4 ' is Amperes of current, then the required voltage is 5.6 volts.
How much voltage is needed to produce a current of 0.5 ampere in a circuit that has a resistance of 24 ohms?
Work it out yourself -the equation is: voltage = current x resistance.
What resistance is needed to reduce 5V dc to 4V dc?
The resistance needed is1/(the current flowing through the resistance) ohms.
What is needed to produce electromagnets?
electric current
Why were batteries invented?
The battery was invented in 1800 by Alessandro Volta. Batteries were invented in order to power objects that needed an electrical current and also needed to be portable.
What current will be needed to produce a voltage of 5V across a 12kΩ resistor?
Ohm's Law: Current = voltage divided by resistance. 5 V divided by 12 KΩ is 416 2/3 ma
What quantities are needed to calculate an object's resistance?
Voltage, current, or power. You need two out of the three.
