Electromagnetic Field Theory The tubes of force within the magnetic material are known as none of them. tubes of indication. lines of force. magnetic flux. none of them. tubes of indication. lines of force. magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on magnitude of voltage. open circuit. short circuit. depends on polarity. depends on magnitude of voltage. open circuit. short circuit. depends on polarity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The minimum height of outer atmosphere is 400 km 200 km 150 km 100 km 400 km 200 km 150 km 100 km ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv/3 C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 3. 8. 4. 2. 3. 8. 4. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true? An emf is induced in split coil. Equal joule heating occurs in both coils. An emf is induced in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. Equal joule heating occurs in both coils. An emf is induced in both coils. Joule heating does not occur in each of the coils. ANSWER DOWNLOAD EXAMIANS APP