Electrical (A6)Câu 78 / 120
A voltmeter is connected how, relative to the component being tested?
a.In series with the load
b.Between the two battery posts only
c.After removing the fuse
d.In parallel (across) the component
Giải thích
A voltmeter is connected in parallel across the component or connection to measure the voltage difference, since it has very high internal resistance. An ammeter, by contrast, connects in series. Connecting a voltmeter in series would give an incorrect reading.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Technician A says a diode allows current to flow in only one direction. Technician B says alternators use diodes to rectify AC into DC. Who is correct?
- Excessive AC ripple voltage measured at the battery with the engine running usually indicates:
- Technician A says a relay lets a small control current switch a larger load. Technician B says relays protect switches and allow smaller control wiring. Who is correct?
- Dim headlights that brighten when engine rpm increases most likely indicate:
- The gauge or module that displays engine coolant temperature relies on a sensor whose resistance:
- A circuit has 12 volts applied and draws 2 amps. Its total resistance is:
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với ASE Automobile Certification Series (A1–A8) · Quy trình kiểm tra