Answer:
Total resistance is 19.6 Ω for the circuit .
Explanation:
Given:
Six resistors of a circuit namely
to
.
Where
and
are in series.
and
are in parallel.
and
are in parallel.
We know that continuous resistor which are in series are added up to find the equivalent resistance.
Similarly resistors which are arranged in parallel their equivalent resistance is
for the case of
and
.
According to the question:
Total resistance = R(equivalent) :
⇒ 
⇒ 
⇒ 
⇒ 
⇒
Ω
So the total resistance of the circuit depicted is 19.58 Ω approximated to nearest tenth that is 19.6 Ω
<h2>
Option B is the correct answer.</h2>
Explanation:
We need to find number of protons, electrons and neutrons in ⁶²Ni
Mass number is 62.
That is
Number of proton + Number of neutron = 62
We know that number of proton = 28 for nickel
So
28 + Number of neutron = 62
Number of neutron = 62 - 28 = 34
We also know
Number of protons = Number of electrons
Number of electrons = 28
Option B is the correct answer.
Amalgamating is the coating of zinc plate with mercury.
Considering that while traveling on a road with a<u> final speed of 15 m/s</u>, and an<u> initial speed of 24 m/s</u>, with a given time <u>of 12 seconds.</u>
To calculate the acceleration, we apply the following formula:
α = Vf - Vo/t
We add our data into the formula and solve:
α = 15 m/s - 24 m/s/12 sec
α = -0.75 m/s²
Therefore, the acceleration of the car is -0.75 m/s².
<h2>Skandar</h2>
Answer:
D. all sounds are caused by vibrations
Explanation: