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Vectors in Physics Quiz

MCQ: Position vector that defines the position of the vector in three dimensions having formula of

1. √(a² + b² + c²)
2. √(a + b + c)
3. √(a²-b² + c²)
4. (a² + b² + c²)

A

Vectors in Physics Quiz

MCQ: Direction of the vector is given by the angle formula of

1. cos-1(y/x)
2. cos-1(x/y)
3. tan-1(y/x)
4. tan-1(x/y)

C

Magnetic Flux Density Quiz

MCQ: If magnetic field in certain region is given by B = (40i-18k)Wb m², then the flux passing through 5 cm² area loop will be

1. 90 × 10-4
2. 91 × 10-4
3. 92 × 10-4
4. 94 × 10-4

A

PN Junction Quiz

MCQ: In reverse biased situation, very small current flows due to

1. majority charge carrier
2. minority charge carrier
3. zero charge carrier
4. both a and b

B

Rectification Quiz

MCQ: In a half rectification, the diode conducts during

1. both half cycles
2. positive half
3. negative half
4. one half input

B