Basic Electrical MCQ

1). In the field of electrical engineering, which of the following components cannot be analysed using Ohm's law?

2). According to the fundamental electrical energy, what is a constant for a charged spherical shell?

3). 3. Where does electrostatic shielding occur in the charged spherical shell?

4). 4. Which of the following is an accurate representation of the peak value in an alternating current circuit?

5). Which of the following statements regarding alternating current is correct according to electrical energy fundamentals?

6). If the frequency of an alternating current signal is 100 hertz, how many complete cycles will it produce in two seconds?

7). What direction will the drift velocity of electrons vary with regard to the electric field?

8). What is the zero charge on a charged spherical shell?

9). What kind of quantity is an electric potential?

10). What do crowded lines of force indicates?

11). What is the direction of an electric field at a certain point?

12). Which of these statements about direct current is correct?

13). Which of the following statements regarding electrical conductivity is correct?

14). What is causing the current to flow?

15). According to KCL, which of the following must be zero?

16). How many directions may an electric field have at a given point?

17). When the secondary circuit of an ideal transformer is open, which of the following currents is drawn by the primary circuit?

18). What does positive power represent in an electrical element?

19). Which of the following types of electrical circuits cannot be evaluated using Ohm's law?

20). According to KVL, which of the following must be zero?

21). What kind of temperature coefficient of resistance do semiconducting materials have?

22). What type of quantity is electric current?

23). In general, an insulator's temperature coefficient is

24). Which of the following elements are passive elements?

25). Which of the following does not have units?