Which one of the following is a direct statement of Ohm's law? The voltage drop

CuriousTab

Question
Which one of the following is a direct statement of Ohm's law?
Options
A. The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
B. The total resistance of a parallel circuit is less than the value of the smallest resistance
C. The algebraic sum of voltages in a loop is equal to zero
D. The algebraic sum of currents entering and leaving a point is equal to zero
E. None of the above

Correct Answer

The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it

1. The IEEE 802 project of the 1980s involved further defining the lower two layers of the OSI model. A number of standards were agreed upon during that time. Which of the following is the standard for Ethernet?
Options
A. 802.2
B. 802.3
C. 802.4
D. 802.5
E. 802.6

2. Which of the following best explains the meaning of managerial participation in effective computer utilization is MIS:
Options
A. managers operate the computer
B. need for understanding and support from top management'
C. managers need to be educated about computers
D. managers need to go through the computers reports.
E. None of the above

3. Which of the following technique is used for Time-To-Line (TTL)?
Options
A. a technique used in best-effort delivery system to avoid endlessly looping packets.
B. a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
C. One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size.
D. All of the above
E. None of the above

4. If you do not know which version of MS-DOS you are working with, which command will you use after having booted your operating system?
Options
A. FORMAT command
B. DIR command
C. VER command
D. DISK command
E. None of the above

6. In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
Options
A. PC
B. synchronous port
C. crossover cable
D. asynchronous port
E. None of the above

7. What is the primary difference between primary and secondary cell batteries?
Options
A. Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged
B. Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged
C. Primary-cell batteries use chemical cells, whereas secondary-cell batteries use an alternative energy source, such as thermal or magnetic energy, to supplement their outputs
D. Primary-cell batteries must be recharged at a much slower rate that secondary-cell batteries
E. None of the above

9. Which of the following specifies the network address and host address of the computer?
Options
A. The IP address
B. The TCP address
C. The subnet mask
D. The default gateway
E. None of the above

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