200+ câu Trắc nghiệm Tiếng Anh chuyên ngành kỹ thuật điện có đáp án - Phần 5

The ground conductor is usually grounded at the top of the supporting structure, to minimize the likelihood of direct ......... to the phase conductors.

Electrical installation is concerned with ........

Which equipment is used to produce electricity?(thiết bị dùng để sản xuất điện)

Write out R 2 + 15Ω = R 1 in full

Electric power network includes particular installations, substations, lines or cables for the transmission and distribution of………...

What is the main purpose of a distribution substation?

Write out Y = in full

Three 3 ohm resistors are connected to form a triangle. What is the resistance between any two of the corners?

Jouleis the unit of

Generation, transmission and distribution system are parts of .........

Generation of …… is a process whereby electrical energy is obtained from some other form of energy.

What is the electric power system?

Câu 10 What is the unit of mutual inductance? (Điện cảm)

What will be the value of a capacitor in farads when it has a capacitive reactance of 200 Ω and is connected to a 50Hz supply.

A conductor has a resistance of 10 Ω. It’s conductance is:

Electrical generating is concerned with ………….

Power ......... comprise a number of conducting cores of copper or aluminium, insulation, and armouring.

In transmission substations, the ........... is stepped up for transmission.

the current in a wire………….

A coil of inductance 150mH and zero resistance is connected across a 100V, 50Hz supply. The current flowing through the reactance is :