1. Millman's theorem yields ?

equivalent resistance

equivalent impedance

equivalent voltage source

equivalent voltage or current source

Answer: equivalent voltage or current source

Explanation:


2. A terminal where three or more branches meet is known as ?

node

combination

terminus

anode

Answer: node

Explanation:


3. A star circuit has element of resistance R/2. The equivalent delta elements will be ?

R/6

3/2 R

2R

4R

Answer: 3/2 R

Explanation:


4. If a circuit does not contain any source of energy or e.m.f. it is known as ?

unilateral circuit

bilateral circuit

passive network

active network

Answer: passive network

Explanation:


5. Kirchhoff's law is applicable to ?

passive networks only

a,c. circuits only

d.c. circuits only

both a.c. as well d.c. circuits

Answer: both a.c. as well d.c. circuits

Explanation:


6. A capacitor is generally a ?

bilateral and active component

active, passive, linear and nonlinear component

linear and bilateral component

non-linear and active component

Answer: linear and bilateral component

Explanation:


7. To determine the polarity of the voltage drop across a resistor, it is necessary to know ?

value of current through the resistor

direction of current through the resistor

value of resistor

e.m.fs. in the circuit

Answer: direction of current through the resistor

Explanation:


8. Thevenin resistance Rth, is found ?

by removing voltage sources along with their internal resistances

by short-circuiting the given two terminals

between any two 'open' terminals

between same open terminals as for Eth

Answer: between same open terminals as for Eth

Explanation:


9. Kirchhoff's current law states that ?

net current flow at the junction is positive

algebraic sum of the currents meeting at the junction is zero

no current can leave the junction without some current entering it

total sum of currents meeting at the junction is zero

Answer: algebraic sum of the currents meeting at the junction is zero

Explanation:


10. Any number of current sources in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents and source resistance is the parallel combination of individual source resistances The above statement is associated with ?

Thevenin's theorem

Mìllman's theorem

Maximum power transfer theorem

None of the above

Answer: Mìllman's theorem

Explanation: