計(jì)算主梁支座截面時(shí)，由于在柱上次梁和主梁縱橫相交，而且板、次梁及主梁的支座鋼筋又互相交叉重疊，主梁鋼筋位
AI搜題
NEW
搜題
第1題
A．of; in
B．in; of
C．a(chǎn)cross; through
D．through; across
第2題
the circuit is shown as figure，assume and find the voltage across the resistance 15Ω,then find the current through this resistor。
第3題
A、base voltage
B、emitter resistor
C、collector resistor
D、All of the above
第4題
A、collector supply voltage
B、collector current times collector resistor
C、0.3 Volts
D、emitter voltage
第5題
A．10 V, 5 mA
B．11 V, 2 mA
C．11 V, 11 mA
D．2 V, 11 mA
第6題
A．10 V, 5 mA
B．11 V, 2 mA
C．11 V, 11 mA
D．2 V, 11 mA
第7題
In a simple series circuit, the entire source voltage will drop across _____.
A.the resistor next to the negative terminal
B.a short circuit
C.the resistor next to the positive terminal
D.an open circuit
第8題
When a BJT is operating in the active region, the voltage drop from the base to the emitter
is approximately equal to the （）。
A、base bias voltage
B、base current times the base resistor
C、diode drop (about 0.7 V)
D、emitter voltage
