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SSC JE ELECTRICAL
ssc MCQs with answers - part-13
1. What will be the value of resistance (in kilo-ohms) of a carbon composition resistor having color-coding of brown-black-brown-black ?
-400
-200
--300
-100
Answer: 100
2. Which of the following is NOT a type of capacitor ?
-Ceramic
-Electrolytic
-Film
-Wire wound
Answer: Wire wound
3. Which of the following is TRUE in case of Substitution theorem ?
-The initial condition of the rest of the circuit changes, if a network element is replaced by a voltage source having an equal voltage as the voltage across the element at every instant of time
-The initial condition of the rest of the circuit changes, if a network element is replaced by a voltage source having an equal current as the voltage across the element at every instant of time
-The initial condition of the rest of the circuit remains same, if a network element is replaced by a voltage source having an equal voltage as the voltage across the element at every instant of time.
-The initial condition of the rest of the circuit changes, if a network element is replaced by a voltage source having an equal voltage as the current across the element at every instant of time.
Answer: The initial condition of the rest of the circuit remains same, if a network element is replaced by a voltage source having an equal voltage as the voltage across the element at every instant of time.
4. Which of the following theorem states that the sum of instantaneous power in ‘n‘ number of branches of an electrical network is zero ?
-Compensation
-Maximum power transfer
-Superposition
-Tellegen‘s
Answer: Tellegen‘s
5. Kirchhoff's voltage law is based on which of the following principle ?
-Conservation of charge
-Conservation of energy
-Conservation of force
-Conservation of momentum
Answer: Conservation of energy
6. The S.I unit of electric charge is ?
-Henry
-Coulomb
-Tesla
-Weber
Answer: Coulomb
7. Which of the following is a diamagnetic material ?
-Aluminium
-Oxygen
-Lead
-Nickel
Answer: Lead
8. Which of the following material shows paramagnetism ?
-Copper
-Iron
-Titanium
-Silver
Answer: Titanium
9. Determine the intensity of magnetization (in A/m) of a magnet, when its pole strength is 100 Wb and has a pole area of 70 sq. m. ?
-4.98
-3.65
-2.53
-1.43
Answer: 1.43
10. Hysteresis loss occurring in a material does NOT depend on which of the following parameters ?
-Hysteresis constant
-Magnetic flux density
-Frequency
-Reluctivity
Answer: Reluctivity
