Electronic Principles Questions

• A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode?
• The merging of a free electron and a hole is called
• Which one of the following statements is true for voltage in a series circuit?
• When the Q point moves along the load line, the voltage increases when the current
• If the current gain is 200 and the collector current is 100 mA, the base current is
• Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode
• A device that converts mechanical pressure to electrical energy is called a:
• At room temperature a conductor has low many holes?
• What is the barrier potential of a silicon diode at room temperature?
• The nucleus of the copper atom contains how many protons?
• One henry of inductance is defined as:
• A basic capacitor is composed of:
• The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?
• Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?
• What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?
• When a parallel RLC circuit is operating at its resonant frequency:
• Current and voltage are said to be in phase when:
• The Thevenin resistance is equal in value to the
• Which one of the following statements is true for the currents in a parallel RL circuit?
• For normal operation of the transistor, the collector diode has to be