Microcontroller minimum system circuit is the microcontroller can work the smallest circuit, generally including the clock circuit and reset circuit.

If _____ voltage is applied across _____ circuit, _____ electric current will flow in _____ circuit.

When measuring current, circuit power before connecting the meter in the circuit.

The ignition system falls into two sections: low-voltage circuit and high-voltage circuit.

If _____ voltage is applied across circuit, electric current will flow in circuit. A: a B: an C: the D: 不填冠词

【单选题】The types of short-circuit in three-phase system are three-phase short-circuit, two-phase short-circuit, two-phase short-circuit grounding and single-phase short-circuit grounding. When the three phases of the system are short-circuited, they are still in the symmetrical stated. Other types of shorted circuit are asymmetric short circuit. Which of the following types is a symmetrical short circuit? A. Single phsae ground short circuit B. Three phase short circuit C. Two phase short circuit D. Two phase ground short circuit

To get a current-voltage conversion circuit, () should be introduced in the amplifier circuit. A: current-series negative feedback B: current-shunt negative feedback C: voltage-series negative feedback D: voltage-shunt negative feedback

When two two-terminal networks are equivalent, they are equivalent to ( ). A: external circuit B: internal circuit C: external circuit and internal circuit D: neither external circuit nor internal circuit

PCB的英文全称是 A: Printed Circuit Board B: Play Circuit Board C: Printed Circuit Box D: Play Circuit Box

A closed path followed by main magnetic flux is known as a ( ). A: Magnetic circuit B: Electric circuit C: Magnetic saturation circuit D: None of the above