Question

please help in question no. 11​

Answer 1

Given :

Three resistances are connected as shown in the figure.

Voltage of battery = 3V

To Find :

• Equivalent resistance
• Current

Solution :

❖ It's clear from the given diagram that, two equal resistances of 2Ω are connected in parallel. So their equivalent resistance will be

➙ 1/r = 1/2 + 1/2

➙ 1/r = 2/2

➙ r = 1 Ω

After solving this, three resistances of 1Ω come in series$.$ Hence net equivalent resistance of the circuit will be

➙ R = r + 1 + 1

➙ R = 1 + 2

➙ R = 3 Ω [Equivalent resistance]

♦ As per ohm's law current passing through a conductor is directly proportional to the applied potential difference. (at constant temperature)

Mathematically, V ∝ I

Putting proportionality constant,

» V = I × R

• V denotes voltage
• I denotes current
• R denotes resistance

By substituting the values;

➠ V = I × R

➠ 3 = I × 3

➠ I = 3/3

➠ I = 1 A

Answer 2

$\huge{\underline{\underline {\mathtt{\purple{Hlw}\pink{Mate}}}}}$

$\Large\bold\blue{Given:}$

Three resistances are connected as shown in the figure.

Voltage of battery = 3V

$\Large\bold\blue{To\:Find:}$

• Equivalent resistance of Current

• Current of circuit

$\Large\bold\blue{Solution:}$

From the given diagram that, two equal resistances of 2Ω are connected in parallel.

Hence their equivalent resistance will be

→ 1/r = 1/2 + 1/2

→ 1/r = 2/2

→ r = 1 Ω

Hence net equivalent resistance of the circuit will be

→ R = r + 1 + 1

→ R = 1 + 2

→ R = 3 Ω

According to ohm's law V ∝ I which means current passing through a conductor is directly proportional to the applied potential difference.

V = I × R

Here,

V = voltage

I = current

R = resistance

Substituting the values,

⇒ V = I × R

⇒ 3 = I × 3

⇒ I = 3/3

⇒ I = 1 A

$\Large\fbox\red{Mark\:As\:Brainliest}$