How to calculate the resistance in a circuit in which a 9-volt battery produces 3 amperes – Quora. Hi ! From the Ohms law U=R*I you can solve for the resistance R = U / I = 9V / 3A = 3Ohms.
What is the resistance of a circuit if 9V generates a current of 1.5 A How much power is created?
9 divided by 1.5 = 6 ohms.
What is the current produced with to 9 V battery?
A standard 9V battery has about 400-600 mAh capacity. In the most basic terms, these batteries can supply about 500 milliamps for one hour before being “dead”.
What is the current of a circuit that has a voltage of 9V and a resistance of 3 ohms?
3 amperes
so 9/3=3 current is 3 amperes.
What resistance in ohms would produce a current of 200 amperes with a potential difference of 2000 volts?
1. What resistance would produce a current of 200 A with a potential difference of 2,000V? 2000/20010 ohm2. What is the current produced with a 9 V battery through a resistance of 100 ohms?
What is the resistance formula?
Resistance has units of ohms (Ω), related to volts and amperes by 1 Ω = 1 V/A. There is a voltage or IR drop across a resistor, caused by the current flowing through it, given by V = IR.
How do you find the resistance of a circuit?
If you know the total current and the voltage across the whole circuit, you can find the total resistance using Ohm’s Law: R = V / I. For example, a parallel circuit has a voltage of 9 volts and total current of 3 amps. The total resistance RT = 9 volts / 3 amps = 3 Ω.
How many amps is 12volts?
For example, a 12V lithium battery with a capacity of 100Ah can deliver 100Ah to a 12-volt device for one hour. The same 100Ah battery could supply power for 4 hours (100/25=4) to a 25 ampere device. If a battery has 12V50, this means that the battery works on 12 Volt and has a capacity of 50Ah.
How many Ma is a 9V battery?
Technical Specifications Of The 9V Battery
| 9V Battery Nominal Voltage: | 9 Volts |
|---|---|
| Capacity (Carbon-Zinc) ≈ | 400 mAh |
| Capacity (Lithium Primary) ≈ | 1200 mAh |
| Capacity (NiMH) ≈ | 175-300mAh |
| Operating Temperature: | 0°C – 60°C |
Is 9V battery rechargeable?
Rechargeable nine-volt batteries usually come in two options: these are NiMH and Lithium. Lithium batteries double the NiMH capacity. NiMH’s 9V battery capacity last for about four hours with the rechargeable Lithium lasts for 7 to 7.5 hours.
How do you find resistance with voltage and current?
From this, we conclude that; Current equals Voltage divided by Resistance (I=V/R), Resistance equals Voltage divided by Current (R=V/I), and Voltage equals Current times Resistance (V=IR).
How do you find resistance when given power and voltage?
Ohms Law and Power
- To find the Voltage, ( V ) [ V = I x R ] V (volts) = I (amps) x R (Ω)
- To find the Current, ( I ) [ I = V ÷ R ] I (amps) = V (volts) ÷ R (Ω)
- To find the Resistance, ( R ) [ R = V ÷ I ] R (Ω) = V (volts) ÷ I (amps)
- To find the Power (P) [ P = V x I ] P (watts) = V (volts) x I (amps)
The relationship between voltage, current, and resistance is described by Ohm’s law. This equation, i = v/r, tells us that the current, i, flowing through a circuit is directly proportional to the voltage, v, and inversely proportional to the resistance, r.
What voltage produce a current of 100 Amps with a resistance of 50 ohms?
= 100*50 = 5000 V.
What voltage produces a current of 400 Amps with a resistance of 10 ohms?
Answer: 12-volt battery if it Is passed along wire made from What is the current produced by material that nas resistance of x 10″ ohms? Answer=
What happens to the current in a circuit if a 10 ohm resistor is removed and replaced by a 20 ohm resistor?
12. What happens to the current in a circuit if a 10Ω resistor is removed and replaced by a 20Ω resistor? I = 10Ω → 20Ω For the same voltage, current decreases.
What is resistance in current electricity?
Resistance to electricity–that is, electrical resistance–is a force that counteracts the flow of current. In this way, it serves as an indicator of how difficult it is for current to flow. Resistance values are expressed in ohms (Ω).
What is resistance in a circuit?
Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω). Ohms are named after Georg Simon Ohm (1784-1854), a German physicist who studied the relationship between voltage, current and resistance.
What is resistance class 9?
Resistance is defined as an opposition to current flow. An electrical circuit must have resistance in it in order to change electrical energy to light, heat or movement. Resistance is known that the directed movement of electrons constitutes a current flow.
What is the resistance of a closed circuit?
Since, the current flows in the closed switch or closed circuit, there is no opposition or minimal opposition in the flow of current through the circuit. This implies, that the resistance of the circuit will be minimal or negligible i.e. zero ohms.
What causes resistance in a circuit?
An electric current flows when electrons move through a conductor, such as a metal wire. The moving electrons can collide with the ions in the metal. This makes it more difficult for the current to flow, and causes resistance.