1.
A 6-volt lead-acid battery has an internal resistance of 0.01 ohm. How much current will flow if the battery has a short circuit?
A. 
B. 
C. 
D. 
2.
A binary alloy of copper and zinc.
A. 
B. 
C. 
D. 
3.
The resistance of a conductor when its temperature is increased,
A. 
B. 
C. 
D. 
4.
A voltage source of 20V is applied across the terminals of a 2.5-ohm rheostat. Calculate the powerdissipated in the rheostat?
A. 
B. 
C. 
D. 
5.
Unit of electrical pressure is
A. 
B. 
C. 
D. 
6.
Two resistors of resistances 5 ohms and 7 ohms are connected in series across a 60-volt source. What isthe power absorbed in the 5-ohm resistor?
A. 
B. 
C. 
D. 
7.
When using ohms law, E divided by I would solve for
A. 
B. 
C. 
D. 
8.
In resistance color coding, red color is assigned to a
value
A. 
B. 
C. 
D. 
9.
An electric iron takes 3 ½ amps. If the heating element has a resistance of 40 ohms, what is its power
consumption?
A. 
B. 
C. 
D. 
10.
Another name for a secondary cell.
A. 
B. 
C. 
D. 
11.
Two resistances of 8 and 10 ohms respectively are connected in parallel and take a total current of 9 A.
What is the current flowing in the 8-ohm resistance?
A. 
B. 
C. 
D. 
E. 
12.
What is the resistance must be connected across a
4-ohm resistor in order to give an equivalent
resistance of 3 ohms?
A. 
B. 
C. 
D. 
E. 
F. 
13.
How is voltmeter connected in a circuit?
A. 
Connect in short circuit across the load
B. 
Connect in shunt across the load
C. 
Connect in series across the load
D. 
Connect in open circuit with the load
E. 
F. 
14.
Component of an atom that doesn’t have any electrical charge.
A. 
B. 
C. 
D. 
E. 
F. 
15.
A lead-acid cell is constructed in multiple for the
purpose of ______.
A. 
Increasing the emf of the cell
B. 
Increasing the capacity of the cell
C. 
Increasing the internal resistance of the cell
D. 
E. 
F. 
16.
A measuring instrument used to measure the diameter of circular wires in mills.
A. 
B. 
C. 
D. 
17.
The electron in the last orbit of an atom are called
A. 
B. 
C. 
D. 
18.
A 400 MCM cable has 37 strands. What is the diameter if each strand in mills?
A. 
B. 
C. 
D. 
19.
The copper field coils of a motor was measured at 21oC and found to have a resistance of 68 ohms. After the motor has run for a given time, the resistance is found to be 90 ohms. What is the hot temperature of the winding?
A. 
B. 
C. 
D. 
E. 
20.
A secondary cell is charged with a constant current of 10 A for 10 hours. How much charge is accumulated?
A. 
B. 
C. 
D. 
21.
A cell whose emf is 1.45 V has an internal resistance
of 4 ohms. What current will flow if this cell is
connected across a 1 ohms resistor?
A. 
B. 
C. 
D. 
E. 
F. 
22.
What is the diameter of a copper wire having a cross sectional area of 3,969 CM?
A. 
B. 
C. 
D. 
E. 
F. 
23.
Which one do
When n equal resistors are connected in series to a
source of emf E volts, each having a resistance of R
ohms, which of the following statements is true? you like?
A. 
The voltage drop across one of the resistor is equal to E/n
B. 
The equivalent resistance of the circuit is equal to nR
C. 
The current through each of the resistor is the same
D. 
E. 
F. 
24.
A small light bulb with a resistance of 1000 ohms is connected across a 120-V line. What is the current
through the bulb?
A. 
B. 
C. 
D. 
25.
A wire whose resistance is r ohms is being cut into four equal parts. If these parts are to be connected in parallel, how much is the equivalent resistance in
ohms?
A. 
B. 
C. 
D. 
E. 
F.