Electronics-Parallel Circuits
Electronics-Parallel Circuits
13. What is the total resistance of four 1 k parallel-connected resistors?
- 200 ohms
- 250 ohms
- 400 ohms
- 4 kilohms
14. Which are the better test devices used to isolate a suspected open component within a parallel circuit?
- a voltmeter or an ohmmeter
- neither an ammeter nor a voltmeter
- a wattmeter or a voltmeter
- an ammeter or an ohmmeter
15. Which is considered to be the common reference for a parallel circuit?
- Voltage
- Current
- Power
- Resistance
16. After which time constant can a capacitor be considered to be fully charged?
- first
- third
- fifth
- seventh
17. You could increase the time constant of an RC circuit by
- adding a resistor in parallel with the circuit resistance
- adding a capacitor in parallel with the circuit capacitance
- increasing the amplitude of the input voltage
- exchanging the position of the resistor and capacitor in the circuit
19. A resistor and an output capacitor form a series circuit with a square wave applied. The circuit is:
- an integrator
- a differentiator
- a multiplier
- a divider
20. If an open capacitor is checked with an ohmmeter, the needle will:
- stay on zero
- stay on infinity
- move from zero to infinity
- move from infinity to zero