Charges that are different each other
2 answers:
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Answer:
Options (A), (B), (D), and (E).
Explanation:
Density is a physical property that describes the relationship between mass and volume. This property shows whether an object will float or it will get sink. The density of substances changes with the changing temperature, as both are inversely proportional to each other.
Mathematically, density can be written as,
Density =
ρ = , Where, ρ = density, m = mass, v = volume
Thus, the correct answers are options (A), (B), (D), and (E).
R = 11 ohms
Explanation:
Given parameters:
Power of the electric toaster = 1100W
Voltage = 110V
Unknown:
Resistance, R of the heating coli = ?
Solution:
Electric power is given as:
Electric power = IV
where:
I is the current
V is the voltage
According to Ohm's law, V = IR
where R is the resistance. If we make current the subject of the formula and substitute, it gives:
Power = }{R}[/tex]
Power = }{R}[/tex]
R = }[/tex] =
}[/tex]
R = 11 ohms
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