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For emample, if you are dealing with Copper and Zinc, you first take the half equations Cu2+ + 2e- --> Cu +0.34 Zn2+ + 2e- ---> Zn -0.76 then, you decide which one is reduced and which one is oxidized, the one with the more positive voltage is reduced, so in this case the copper is reduced. the overall reaction changes to Zn- ---> Zn2+ + 2e +0.76 Cu2+ + 2e- --> Cu +0.34 ---- Zn + Ni2+ ---> Ni + Zn2+ + 0.5 you add the voltages and get 0.5 as an experimental voltage
Wiki User
∙ 15y ago
The theoretical voltage in an electrical circuit can be calculated using Ohm's Law, which states that voltage (V) equals the current (I) multiplied by the resistance (R), or V = I * R. This formula helps determine the voltage across a component in a circuit based on its resistance and the current flowing through it.
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How do you calculate current and voltage passing through light globes?
To calculate current passing through a light globe, you can use Ohm's Law: current (I) = voltage (V) / resistance (R). To calculate voltage across a light globe, you can rearrange Ohm's Law to solve for voltage: voltage (V) = current (I) * resistance (R). Just make sure you know the resistance of the light globe in ohms.
How many amps is equal to 270 cca?
If you know the voltage you can calculate the amps. . Ampere I = power P / voltage V .
How many amps are in 2000 watts?
To calculate the amperage, you would need to know the voltage of the system. If you assume a standard voltage of 120V, you can calculate the amperage by dividing the wattage by the voltage: 2000 watts / 120 volts = 16.67 amps.
Ow do you calculate amperage with watts and volts?
You can calculate amperage (A) using the formula A = W / V, where W is the power in watts and V is the voltage. Simply divide the power in watts by the voltage to find the amperage.
How many kw does 500 amp make?
To calculate the power in kilowatts (kW) from amps (A), you also need the voltage (V). If the voltage is 120V, then 500A would equal 60 kW (since Power (kW) = Current (A) x Voltage (V) / 1000). However, without knowing the voltage, it's not possible to calculate the power in kilowatts.
Is there a theoretical limit to high voltage?
Theoretically there is no limit to the voltage of an electrical current.
What is needed to calculate the voltage across a device?
you calculate a voltage circuit by taking it apart and findng the circuit and calculate the voltage and then resible it.
How do you calculate the excitation voltage and current of an alternator?
formals to calculate exciation voltage of alternator
How do you calculate transformer voltage ratio test?
Secondary voltage / primary voltage
What size breaker do you need for 3kva?
To calculate an answer a voltage must be stated.
How do you calculate income yield?
Income yield is calculated by taking the annual income generated by an investment (such as interest or dividends) and dividing it by the initial investment amount. The formula is: Income Yield = (Annual Income / Initial Investment) x 100%. This percentage represents the rate of return on the investment in terms of income.
How do you calculate voltage drop for starting motor current and how to get the starting pf?
How do you calculate voltage drop for starting motor current
How do you calculate line regulations?
no load voltage - full load voltage by full load voltage
Can you calculate power by multiplying voltage and current?
Not enough information. Power = current x voltage. Since voltage can be anything, there is no way to calculate power. Time is irrelevant; though once you have the power, it can help you calculate energy (energy = power x time).
How do you calculate predictions?
The theoretical yield is determinef by the study of the chemical reaction involved.
How do you calculate theoretical probability?
HELP ME; I Don't Know Either. It's when you♥️
Why is it hard to calculate theoretical probability for bowling?
if u wereood at math it wouldnt be
