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Since, by Ohm's law, Voltage is amperes times ohms, the voltage one would expect across a 1 ohm load would be 1 volt per ampere.

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Would a 50 ohm load and a 100 ohm load connected to a 120 volt supply have the same voltage?

If they're connected one at a time ... first one and then the other ... then each one has 120 voltsacross it while it's connected to the supply.If they're connected across the supply at the same time in parallel, then of course they have thesame voltage across them, because their ends are common.If they're connected across the supply in series, then the voltage across the 50-ohm load is 40 volts,and the voltage across the 100-ohm load is 80 volts.


What would be the effect on the voltage level at the load if the distance between the electrical supply point and the load appliance is increased?

As the resistance in the wire increases due to the longer length the voltage drop across the wire resistance increases. This leaves less voltage across the load. To overcome this voltage drop usually a larger size wire which has less resistance is used. A safe nominal figure for voltage drop is to keep it at 3% of the line voltage.


What is the difference between no load current and no load voltage?

What does the question refer to? Induction motors? Transformers? For transformers, the no-load voltage is the voltage -- across the secondary or primary -- when there is no load attached to the secondary, that is, when there is no current in the secondary. No-load current really only makes sense when talking about a motor, because current is flowing in the device even when it's not under load. A rule of thumb is the no-load current is about a third to one half the full-load current.


What is the voltage across the first ohm resistor?

if R4 is the only resistor (the load), then the drop would be the same as the energy source


What is percentage regulation in transfarmer?

percentage regulation is defined as [{v(no load)-v(full load)}/v(full load)]*100% it gives the variation of output dc voltage(voltage across load) with variation in load resistance

Related Questions

Would a 50 ohm load and a 100 ohm load connected to a 120 volt supply have the same voltage?

If they're connected one at a time ... first one and then the other ... then each one has 120 voltsacross it while it's connected to the supply.If they're connected across the supply at the same time in parallel, then of course they have thesame voltage across them, because their ends are common.If they're connected across the supply in series, then the voltage across the 50-ohm load is 40 volts,and the voltage across the 100-ohm load is 80 volts.


Why would houses have parallel circuits?

So that the voltage across all devices is the same. In a series circuit voltage would vary across each load so would depend on what else was in the circuit.


How does the voltage across a load is measured in a circuit with alternating current?

The voltage across a load in a circuit with alternating current is typically measured using a voltmeter. The voltmeter is connected in parallel to the load, allowing it to measure the effective voltage or RMS voltage across the load. This value represents the average voltage of the alternating current waveform.


What reading would you get if a voltmeter is placed in series across a load in closed circuit?

In series and across the load are contradictory statements. Some voltmeters are really capable of voltage, current and resistance measurements. To measure current the meter either has to be a clamp on type or one that goes in series with the load. You measure voltage drop across the load as described above.


How can you connect two or more voltage source and be ensure that each of them will share load equally when they see the same load across them?

Voltage sources (batteries) connected in series would add up and share the load equally.


What would be the effect on the voltage level at the load if the distance between the electrical supply point and the load appliance is increased?

As the resistance in the wire increases due to the longer length the voltage drop across the wire resistance increases. This leaves less voltage across the load. To overcome this voltage drop usually a larger size wire which has less resistance is used. A safe nominal figure for voltage drop is to keep it at 3% of the line voltage.


What do you understand by stabilizer explain its uses?

A Stabilizer maintains the voltage across a load constant no matter how high the current goes.It can be used to maintain the voltage across a load constant no matter the variation in supply voltage and also it can be used to maintain the supply voltage constant no matter the variation in load.


What is the difference between no load current and no load voltage?

What does the question refer to? Induction motors? Transformers? For transformers, the no-load voltage is the voltage -- across the secondary or primary -- when there is no load attached to the secondary, that is, when there is no current in the secondary. No-load current really only makes sense when talking about a motor, because current is flowing in the device even when it's not under load. A rule of thumb is the no-load current is about a third to one half the full-load current.


A voltage spike is another term for power spike?

Only if there's a 'load' across the voltage.


What do you mean by no load of transformer?

Transformers voltage ratings are typically at full load. For instance, A 24 VAC, 10A transformer will have a terminal voltage of 24 when it is feeding 10 amps to a load. Since the transformer windings have some resistance, the transformer designer has to wind the transformer to put out more than 24 volts, since some of the voltage will be lost, dropped across the resistance of the secondary windings. But, according to Ohm's law, the voltage dropped across a resistance is proportional to the current (E=IR). If we take away the 10A load, there is no current, and therefore no winding voltage drop! The excess voltage the designer built in now appears at the terminals. This is the no-load voltage. In my example above, when we remove the 10A load, the output voltage of the transformer might rise to 26.4V. We would say the no-load voltage of that transformer is 26.4V The ratio of full-load voltage to no-load voltage is called the transformer's "regulation factor". It is calculated as: (no-load voltage - full-load voltage) / full-load voltage * 100. Ours is: ((26.4 - 24) / 24) * 100 = 10%.


Ac voltage applied across a load resistance produce alternating current?

The reason an AC voltage applied across a load resistance produces alternating current is because when you have AC voltage you have to have AC current. If DC voltage is applied, DC current is produced.


What is the voltage across the first ohm resistor?

if R4 is the only resistor (the load), then the drop would be the same as the energy source