Very sad to hear from her
Answer:
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Good thing your being straight forward XD
Answer:
The internal resistance of the battery is 1.0 Ω.
Explanation:
Given that,
Voltage = 12,0 V
Resistance of each resistor = 6.0 Ω
Current = 4.0 A
When three resistors are connected in parallel.
We need to calculate the resistance
Using formula of parallel

Here, R₁ = R₂ = R₃



The equivalent resistance is


We need to calculate the internal resistance
Using ohm's law



Where, R = resistance
r = internal resistance
V = voltage
I = current
Put the value into the formula



Hence, The internal resistance of the battery is 1.0 Ω.
Answer: tactile (Meissener) corpuscle.
Hope this helps.