Unit 1 - Practice Quiz

1 Which of the following expressions correctly represents the relationship between current (), charge (), and time ()?

2 The energy stored in an inductor of inductance carrying a current is given by:

3 Which of the following statements regarding Ohm's Law is false?

4 Kirchhoff’s Current Law (KCL) is a consequence of the law of conservation of:

5 Kirchhoff’s Voltage Law (KVL) states that the algebraic sum of voltages around a closed path is zero. This is based on the conservation of:

6 Two resistors and are connected in parallel. What is the equivalent resistance ?

7 According to the Voltage Division Rule, the voltage drop across a resistor in a series circuit with , , and a total voltage source is:

8 Using the Current Division Rule for two parallel resistors and with a total entering current , the current flowing through is:

9 What is the internal resistance of an ideal voltage source?

10 What is the internal resistance of an ideal current source?

11 In a Star (Y) to Delta () transformation, if are the star-connected resistors connected to a neutral point, the equivalent Delta resistor between terminals A and B is:

12 Three equal resistors of value are connected in a Delta () configuration. What is the value of each resistor in the equivalent Star (Y) configuration?

13 Mesh analysis is primarily based on the application of:

14 Nodal analysis is primarily based on the application of:

15 A dependent source represented by a diamond shape with a +/- sign inside, controlled by a current elsewhere in the circuit, is known as a:

16 The Superposition Theorem is valid only for:

17 When applying the Superposition Theorem, how should ideal voltage sources be treated when they are 'turned off'?

18 When applying the Superposition Theorem, how should ideal current sources be treated when they are 'turned off'?

19 Thevenin’s Theorem states that any linear two-terminal circuit can be replaced by:

20 Norton’s Theorem states that any linear two-terminal circuit can be replaced by:

21 How are Thevenin resistance () and Norton resistance () related for the same network terminals?

22 To calculate the Thevenin voltage () across terminals A and B, you must find:

23 To calculate the Norton current () between terminals A and B, you must find:

24 The Maximum Power Transfer Theorem states that maximum power is transferred to the load resistance from a source with internal resistance when:

25 What is the efficiency of power transfer at the condition of Maximum Power Transfer?

26 If a Thevenin equivalent circuit has and , what is the value of the maximum power that can be delivered to a load?

27 What is the SI unit of conductance?

28 Power consumed by a resistor is given by which of the following formulas?

29 In a series circuit containing , , and , what is the total resistance?

30 If a 10V source is connected across two resistors in parallel, what is the total current drawn from the source?

31 Which of the following is considered a 'bilateral' element?

32 What happens to the resistance of a metallic conductor when its temperature increases?

33 In a node with 3 branches, if 2A enters, 3A enters, and current leaves, what is the value of ?

34 A 'Supernode' is formed in Nodal analysis when:

35 If the voltage across a capacitor increases from 0V to 10V, the energy stored is:

36 The property of a circuit element to oppose the change in current flowing through it is called:

37 In Source Transformation, a voltage source in series with resistance can be converted into:

38 If three resistors are connected in Delta, the equivalent Star resistance for each leg is:

39 A , lamp has a resistance of:

40 Which theorem is useful for analyzing a circuit when the load resistance varies, but the rest of the circuit remains constant?

41 If a circuit has nodes and branches, the number of independent KCL equations (nodal equations) required is:

42 If a circuit has nodes and branches, the number of independent KVL equations (mesh equations) required is:

43 A specific resistor in a circuit dissipates power when voltage source acts alone, and dissipates power when voltage source acts alone. Can we calculate total power as using Superposition?

44 For a short circuit, the resistance and voltage are theoretically:

45 For an open circuit, the resistance and current are theoretically:

46 Which of the following is an active element?

47 The time rate of change of work is defined as:

48 In a series circuit, which quantity remains the same across all elements?

49 In a parallel circuit, which quantity remains the same across all parallel branches?

50 If a current of 2A flows through a resistor for 10 seconds, the charge transferred is: