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DC voltage of 120 volts is feeding series circuit consisting of 2-ohm 6-ohm and 8-ohm regular resistors a variable resistor For line ammeter to indicate 1.5 amp the variable resistor must be fixed?
If the DC voltage of 120 volts is feeding series circuit consisting of 2-ohm, 6-ohm, and 8-ohm regular resistors, the variable resistor for line ammeter to indicate 1.5 amp, the variable resistor must be fixed before the amp.
Can you run 4ohm resistor to make 4 ohms speakers 2 ohm?
Yes, you can safely use a 4 ohm amp with one 8 ohm speaker, but you will not achieve full power. The 4 ohm amp is designed to supply a certain voltage into a 4 ohm speaker. Supplying that same voltage to an 8 ohm speaker will result in half the power, or -3dB. For maximum power, use a 4 ohm speaker, or two 8 ohm speakers in parallel.
In a electric circuit where two resistances of 1 ohm and 3 ohm connected in series and 8 ohm connected in parallel The power dissipated across 8 ohm is 2 watt What is the power dissipated in 3 ohm?
First thing you need to do is calculate the Voltage across the 8 ohm resistor. As it is in parallel with the 1 & 3 ohm resistors in series that would be the voltage across those two. P = E^2 / R thus P x R = E^2; 2 watt x 8 ohms = E^2 = 4V Quick check: I = E / R = 4 / 8 = 0.5 A P = E x I = 4 x 0.5 = 2 watts Now Rt = 1 ohm + 3 ohms = 4 ohms Caclulate current in the series circuit: I = E / R = 4V / 4 ohms = 1A Now calaculate the power in the 3 ohm resistor: P = I^2 x R = 1 x 3 = 3 Watts. (NOTE: I am using the ^2 to show exponents, in this case it means squared)
What are the color bands for a 680 ohms resistor?
6 (blue) 8 (green) x 101 (brown)
Are Baby Advent II speakers 8 ohm?
They are 6 ohm.
DC voltage of 120 volts is feeding series circuit consisting of 2-ohm 6-ohm and 8-ohm regular resistors a variable resistor For line ammeter to indicate 1.5 amp the variable resistor must be fixed?
If the DC voltage of 120 volts is feeding series circuit consisting of 2-ohm, 6-ohm, and 8-ohm regular resistors, the variable resistor for line ammeter to indicate 1.5 amp, the variable resistor must be fixed before the amp.
How can I safely connect a 16 ohm amp to an 8 ohm speaker without causing damage to either component?
To safely connect a 16 ohm amp to an 8 ohm speaker without causing damage, you can use a series resistor to match the impedance. This resistor should have a value of 8 ohms to create a total impedance of 16 ohms when connected in series with the 8 ohm speaker. This will ensure that both the amp and the speaker are protected from damage.
Calculate the power used in 2ohm resistor in each what circuits- 1 a 6V battery in series wid 1ohm and 2ohm resistors 2 a 4V battery in parallel wid 12ohm and 2ohm resistors?
In the first circuit with a 6V battery in series with 1 ohm and 2 ohm resistors, you can use Ohm's Law (P = V^2 / R) to calculate the power used in the 2 ohm resistor. First, find the total resistance of the circuit: 1 ohm + 2 ohm = 3 ohms. Then, calculate the current flowing through the circuit using V = IR. Finally, use P = V^2 / R with the resistance of the 2 ohm resistor to find the power. In the second circuit with a 4V battery in parallel with 12 ohm and 2 ohm resistors, first calculate the equivalent resistance of the parallel circuit using the formula (1/Req = 1/R1 + 1/R2). Once you have the equivalent resistance, use Ohm's Law (P = V^2 / R) to find the power used by the 2 ohm resistor.
How can I safely connect a 16 ohm speaker to an 8 ohm amplifier without causing any damage to the equipment?
To safely connect a 16 ohm speaker to an 8 ohm amplifier without causing damage, you can use a series resistor in line with the speaker to match the impedance. This resistor should have a value of 8 ohms to create a total impedance of 16 ohms when connected in series with the 16 ohm speaker. This will ensure that the speaker and amplifier are properly matched and protected from damage.
What is the meaning of load resistance?
"Load resistor" is a discriptor, not a value. Any resistor can be a load resistor if it is the proper value and power for your application. So if you want a load resistor by itself, that makes no sense. A load resistor is a resistor selected for a specific purpose. For example, it you want to put a load on an audio amplifier made to drive an 8 ohm speaker to 50 watts, then your load resistor would be a 8 ohm 50 watt resistor. If you want a load resistor to terminate a 50 ohm line, you would need a 50 ohm resistor, although in this case, you probably want one that is part of a co-ax connector. A load resistor for an op-amp output is typically 2k, since most op-amps are rated for 10 volts at 5 mA. Etc, etc.
What is the voltage of a battery that can create a 1.5 amp through an 8 ohm resistor?
V = I.R V = 1.5 x 8 V = 12V
Can you run 4ohm resistor to make 4 ohms speakers 2 ohm?
Yes, you can safely use a 4 ohm amp with one 8 ohm speaker, but you will not achieve full power. The 4 ohm amp is designed to supply a certain voltage into a 4 ohm speaker. Supplying that same voltage to an 8 ohm speaker will result in half the power, or -3dB. For maximum power, use a 4 ohm speaker, or two 8 ohm speakers in parallel.
What do the first three bands help determine on a resistor?
The first three bands on a resistor tell you what its resistance is. The first band is the first digit, the second band is the second digit, and the third band is the number of zeros to add. Use the resistor color code to convert... 0 Black 1 Brown 2 Red 3 Orange 4 Yellow 5 Green 6 Blue 7 Violet 8 Grey 9 White As an example, a 27000 ohm resistor would be Red - Violet - Orange. If the third band is Silver, the multiplier is 0.1 and, if the third band is Gold, the multiplier is 0.01. For example, a 0.39 ohm resistor would be Orange - Gray - Gold.
Can you provide some Ohm's Law practice questions for me to work on?
Here are some practice questions based on Ohm's Law: If a resistor has a resistance of 10 ohms and a current of 2 amperes flowing through it, what is the voltage across the resistor? A circuit has a voltage of 12 volts applied across a resistor with a resistance of 4 ohms. What is the current flowing through the resistor? If a circuit has a current of 0.5 amperes flowing through a resistor with a resistance of 8 ohms, what is the voltage across the resistor? These questions will help you practice applying Ohm's Law to calculate voltage, current, and resistance in electrical circuits.
Can resistance be added to speakers to make a 4 ohm speaker have an 8 ohm load?
You "can" add a four ohm resistor in series with a four ohm speaker, and make it look like an eight ohm speaker, however, the frequency response will not be the same. It is better to use to correct speaker for the amplifier, or use two four ohm speakers in parallel. That resistors power rating must exceed the rating of the speaker. Half the from the amplifier will go to the speaker, while half will go to the resistor, making it get quite hot.
A coil of 8 ohm parallel with coil of 20 ohm This is connected in series with 12 ohm resistor If the whole circuit is connected across a battery having emf of 30V internal resistance of 2ohm whats v?
v of what? v across what? v measured from what 2 points? v across the coils? v across the resistor? v across the coils and resistor? v across the battery? v across the battery and coils? v across the battery and resistor? or are you asking what v stands for? v stands for voltage.
What will be the temperature change of an 8 ohm resister when one ampere passes through it at one volt?
Too many variables. When 1 amp goes through an 8 ohm resistor it requires 8 volts. E = I x R The energy output would be I x I x R, or 8 watts.
