Question

Calculate the voltage across the 10ohm resistor​

Answer 1

Answer

4volt

Explanation:

total current = v÷r

=12÷30=2/5

voltage across 10 ohm resistor = current × resistance

= 2/5 × 10=4volt

Answer 2

Answer:

The voltage across the 10ohm resistor​ is 4 V.

Explanation:

Given Data :

Three resistors 5 ohms, 10 ohms, and 15 ohms are connected in series in the circuit. The circuit has been given a potential difference of 12 V.

To Find :

The Voltage across the 10-ohm resistor.

Calculations:

Since the resistors have been connected in series, then the equivalent resistance of the circuit is the sum of all the resistances.

Thus, equivalent resistance = ( 5 + 10 + 15 ) Ω =  30 Ω

Now, According to Ohm's Law, we know that

V = IR

In this equation, V stands for voltage, R for resistance, and I for current.

Since V = 12 V

Then,

V = IR

$I =\frac{V}{R} = \frac{12}{30} = \frac{6}{15} = \frac{2}{5}$

Thus, Current (I) is 2/5 Ampere.

Now, Since the resistances are in series, the potential drop across each resistance will be different.

So, Voltage across a 10 Ω resistor can be calculated using Ohm's Law,

So, V = IR

Substituting I = 2/5 A and R = 10 Ω, we have

V = $\frac{2}{5} \times 10 = 4 V$

Therefore, the voltage across the 10ohm resistor​ is 4 V.

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