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arlik [135]
1 year ago
9

Three 7 0hm resistors are connected in series across a 10 V battery. What is the equivalent resistance of the circuit?

Physics
1 answer:
Tomtit [17]1 year ago
4 0

Given

Three 7 ohm resistor are in series.

The battery is V=10V

To find

The equivalent resistance

Explanation

When the resistance are in series then the resistance are added to find its equivalent.

Thus the equivalent resistance is:

R=7+7+7=21\Omega

Conclusion

The equivalent resistance is 21 ohm

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Four different resistors have various amounts of electric current flowing through them. Given the values of current I and resist
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You did not provide the options. However, the options are

I = 6.0, R= 4.0 ohms

I = 9.0, R= 2.0ohms

I = 3.0, R= 2.0ohms

I = 8.0, R= 8.0 ohms

Answer:

The order of  the resistors from the highest to the lowest is:

I = 8.0, R= 8.0 ohms

I = 6.0, R= 4.0 ohms

I = 9.0, R= 2.0ohms

I = 3.0, R= 2.0 ohms

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ohm's law states that voltage across a conductor is directly proportional to the current flowing through it.  V = IR

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  • For I = 8.0, R= 8.0 ohms

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  •  For I = 6.0, R= 4.0 ohms

      V = 6 * 4 =24 volts

  • For I = 9.0, R= 2.0 ohms

       V = 9 * 2 =18 volts

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       V = 3 * 2 =6 volts

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