Question

Class 10 physics

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Answer 1

0.55 A

RP = (4×2) /4+2=8/6 = 4/3 =1.33 Ω

Total résistance of the circuit, R = 0.5+1.33= 1.88Ω

Current in the circuit, I = V/R = 3/1.83= 1.64A

Potential difference across 0.5Ω resistor,

V1=1.6×0.5= 0.82V

Potential difference across 4Ω resistor,

V2=V-V1= 3-0.82= 2.18V

Thus, Current flowing through 4Ω resistor,

I1=2.18/4=0.55A...

@AnGRY

Answer 2

Answer:

This system, with minor changes, has been in use in Russian schools since 1837. Between 1917 and 1935, the Communist government had tried to implement a radically new evaluation system with no grades at all, but it never fully took root.

Qualifiers + and – are often used to add some degree of differentiation between the grades, e.g. 4+ is better than 4 but not as good as 5–. Grading varies greatly from school to school, university to university and even teacher to teacher, and tends to be entirely subjective even for courses that lend themselves to objective marking such as mathematics and applied sciences. Even though the grades technically range from "1" to "5", "1" is not very common and is rarely given for academic reasons—in many cases a "1" is given as a result of failure to show up for an exam or to answer any questions. A "2" grade usually means that the student showed little or no knowledge in a subject.

Explanation:

PLEASE MARK FOR BRAINLIEST