Title Besic_Electrical&Electronics.pdf ✅

Rungta College of Engineering & Technology, Bhilai Question Bank – Unit 1 1. Determine the voltage V in shown circuit such that the power consumed by 4ohm resistor is zero. Use loop current method. 2. Determine the terminal voltage VAB in the shown circuit using Superposition Theorem. 3. A ring-shaped magnetic core shown in fog. Is made of a material having a relative permeability of 1000. The flux density in the smallest area of cross section is 2T. If the current through coil is not to exceed 1.5A,compute the number of turns of the coil.

7. Calculate the current flowing through 5 ohm resistor using Kirchhof’s Voltage Law (KVL) in the circuit shown below: 8. Define Superposition Theorem. Calculate current I1 & I2 using Superposition theorem in the circuit shown in fig: 9. A ring has a diameter of 21cm and cross sectional area of 10cm2 . The ring is made up of semicircular section of cast iron and cast steel, with each joint having a reluctance of equal to an air gap of 0.2 mm. Find the AT required to produce a flux of 8x10-4 Wb. The relative permeability of caststeel and cast iron are 800 and 166 respectively. Neglect fringing and leakage effects. 10. Determine current I through 6Ω resistor using network reduction method. 11. Calculate the output voltage V0 for the circuit shown in figure using Maxwell’s loop current method.
12. Use nodal analysis to determine the current IL through the 2 ohm resister of network shown in figure. 13. Use superposition theorem to find the current I in the branch BC as shown in figure . 14 Using Nodal analysis find the currents in all branches of the network shown in figure. 15. Calculate current through 4Ω resistance using Nodal method in figure shown below.