Choose the scientific theories that have been disproved through scientific advancement. Select all that apply. a) steady-state theory
b) theory of evolution
c) big bang theory
d) geocentric universe
e) phrenology

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Ответ:

leo4687

09.11.2020

Physics

"2Ω" is the net resistance in the circuit.

Explanation:

The given resistors are:

R1 = 3Ω

R2 = 6Ω

The net resistance will be:

⇒ $\frac{1}{R_{net}} =\frac{1}{R_1} +\frac{1}{R_2}$

On substituting the values, we get

⇒ $\frac{1}{R_{net}} =\frac{1}{3} +\frac{1}{6}$

On taking L.C.M, we get

⇒ $\frac{1}{R_{net}} =\frac{2+1}{6}$

⇒ $\frac{1}{R_{net}} =\frac{3}{6}$

⇒ $\frac{1}{R_{net}} =\frac{1}{2}$

On applying cross-multiplication, we get

⇒ $R_{net}=2 \Omega$

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Choose the scientific theories that have been disproved through scientific advancement. Select all that apply. a) steady-state theory b) theory of evolution c) big bang theory d) geocentric universe e) phrenology